Finding the Fourth Proportional to 125,092.77, 172,624.82 and 69,902.55

Step by Step Solution

1. Step 1: Write the proportion equation
   125,092.77 : 172,624.82 = 69,902.55 : x
2. Step 2: Convert to fraction form
   125,092.77/172,624.82 = 69,902.55/x
3. Step 3: Cross multiply
   125,092.77x = 172,624.82 × 69,902.55
4. Step 4: Simplify right side
   125,092.77x = 12,066,914,761.78
5. Step 5: Solve for x
   x = 12,066,914,761.78/125,092.77
6. Step 6: Final answer
   x = 96,463.73