Finding the Fourth Proportional to 318,311,092.50, 477,466,612.83 and 88,280,174.22

Step by Step Solution

1. Step 1: Write the proportion equation
   318,311,092.50 : 477,466,612.83 = 88,280,174.22 : x
2. Step 2: Convert to fraction form
   318,311,092.50/477,466,612.83 = 88,280,174.22/x
3. Step 3: Cross multiply
   318,311,092.50x = 477,466,612.83 × 88,280,174.22
4. Step 4: Simplify right side
   318,311,092.50x = 42,150,835,764,865,688
5. Step 5: Solve for x
   x = 42,150,835,764,865,688/318,311,092.50
6. Step 6: Final answer
   x = 132,420,254.14