Finding the Fourth Proportional to 74,318,404.20, 111,491,962.41 and 28,256,691.83

Step by Step Solution

1. Step 1: Write the proportion equation
   74,318,404.20 : 111,491,962.41 = 28,256,691.83 : x
2. Step 2: Convert to fraction form
   74,318,404.20/111,491,962.41 = 28,256,691.83/x
3. Step 3: Cross multiply
   74,318,404.20x = 111,491,962.41 × 28,256,691.83
4. Step 4: Simplify right side
   74,318,404.20x = 3,150,394,022,991,942.50
5. Step 5: Solve for x
   x = 3,150,394,022,991,942.50/74,318,404.20
6. Step 6: Final answer
   x = 42,390,496.09