This is a good question. As you know Donald Trump is very successful. However, there is not one reason to describe his success. In light of this, let me give three reasons.
First, Donald Trump, like many other successful people, was born with good business skills. Therefore, there is innate talent that we need to appreciate. In other words, he has business gifts.
Second, Donald Trump has the benefit of a good education. He went to the University of Pennsylvania, where he was able to hone his business skills. If you did not know, Wharton is one of the best business schools in the world.
Third, he knows how to use the media. For some reason he is always in the limelight. Even recently, his shows on TV are number one and people love to watch him. He also knows how to brand his name and image. Donald Trump is synonymous to success.