Finding the Fourth Proportional to 54,231,815.39, 74,821,699.89 and 30,707,136.05

Step by Step Solution

1. Step 1: Write the proportion equation
   54,231,815.39 : 74,821,699.89 = 30,707,136.05 : x
2. Step 2: Convert to fraction form
   54,231,815.39/74,821,699.89 = 30,707,136.05/x
3. Step 3: Cross multiply
   54,231,815.39x = 74,821,699.89 × 30,707,136.05
4. Step 4: Simplify right side
   54,231,815.39x = 2,297,560,117,640,391.50
5. Step 5: Solve for x
   x = 2,297,560,117,640,391.50/54,231,815.39
6. Step 6: Final answer
   x = 42,365,539.51