Finding the Fourth Proportional to 55,517,167.87, 76,618,831.15 and 30,737,354.78

Step by Step Solution

1. Step 1: Write the proportion equation
   55,517,167.87 : 76,618,831.15 = 30,737,354.78 : x
2. Step 2: Convert to fraction form
   55,517,167.87/76,618,831.15 = 30,737,354.78/x
3. Step 3: Cross multiply
   55,517,167.87x = 76,618,831.15 × 30,737,354.78
4. Step 4: Simplify right side
   55,517,167.87x = 2,355,060,196,096,580.50
5. Step 5: Solve for x
   x = 2,355,060,196,096,580.50/55,517,167.87
6. Step 6: Final answer
   x = 42,420,395.10