Finding the Fourth Proportional to 59,401,471.92, 88,964,033.20 and 57,766,908.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,401,471.92 : 88,964,033.20 = 57,766,908.12 : x
2. Step 2: Convert to fraction form
   59,401,471.92/88,964,033.20 = 57,766,908.12/x
3. Step 3: Cross multiply
   59,401,471.92x = 88,964,033.20 × 57,766,908.12
4. Step 4: Simplify right side
   59,401,471.92x = 5,139,177,131,849,030
5. Step 5: Solve for x
   x = 5,139,177,131,849,030/59,401,471.92
6. Step 6: Final answer
   x = 86,515,989.68