Finding the Fourth Proportional to 99,471,838.34, 137,267,917.72 and 57,092,373.34

Step by Step Solution

1. Step 1: Write the proportion equation
   99,471,838.34 : 137,267,917.72 = 57,092,373.34 : x
2. Step 2: Convert to fraction form
   99,471,838.34/137,267,917.72 = 57,092,373.34/x
3. Step 3: Cross multiply
   99,471,838.34x = 137,267,917.72 × 57,092,373.34
4. Step 4: Simplify right side
   99,471,838.34x = 7,836,951,205,789,180
5. Step 5: Solve for x
   x = 7,836,951,205,789,180/99,471,838.34
6. Step 6: Final answer
   x = 78,785,627.54