Who know how severely leveraged all that is. $300 million in liquid. I bet his true net worth is less than $1 billion.
Since Trump’s assets are in buildings and name brands, it is constantly variable. For example any real property can be assessed at one value, but unless there is a buyer willing to pay that exact price, it is just a guesstimate.
Even Trump does not know what his net worth is from day to day. However having some familiarity with his golf resort properties, It has to be very large. Trump has developed the finest golf resorts in the world.