It is not saying God supernaturally changes the man so he can believe. The last sentence simply note the word of God is what men must place their faith inIt says it right there. Faith comes by hearing, and hearing [comes by] the word of God. If God doesn't give you hearing, then just hearing the words will not produce faith.
Notice how you ignored every other verse posted so you could interpret Rom 10 contrary to the whole council of God
Revelation is all that is needed
John 5:45–47 (NASB 2020) — 45 Do not think that I will accuse you before the Father; the one who accuses you is Moses, in whom you have put your hope. 46 For if you believed Moses, you would believe Me; for he wrote about Me. 47 But if you do not believe his writings, how will you believe My words?”
John 1:6–7 (NASB 2020) — 6 A man came, one sent from God, and his name was John. 7 He came as a witness, to testify about the Light, so that all might believe through him.
John 17:20 (NASB 2020) — 20 “I am not asking on behalf of these alone, but also for those who believe in Me through their word,
Romans 10:17 (KJV 1900) — 17 So then faith cometh by hearing, and hearing by the word of God.
John 20:31 (KJV 1900) — 31 But these are written, that ye might believe that Jesus is the Christ, the Son of God; and that believing ye might have life through his name.
John 4:39 (KJV 1900) — 39 And many of the Samaritans of that city believed on him for the saying of the woman, which testified, He told me all that ever I did.