Finding the Fourth Proportional to 156,057,872.49, 215,359,845.59 and 93,333,960.77

Step by Step Solution

1. Step 1: Write the proportion equation
   156,057,872.49 : 215,359,845.59 = 93,333,960.77 : x
2. Step 2: Convert to fraction form
   156,057,872.49/215,359,845.59 = 93,333,960.77/x
3. Step 3: Cross multiply
   156,057,872.49x = 215,359,845.59 × 93,333,960.77
4. Step 4: Simplify right side
   156,057,872.49x = 20,100,387,378,536,852
5. Step 5: Solve for x
   x = 20,100,387,378,536,852/156,057,872.49
6. Step 6: Final answer
   x = 128,800,854.82