Finding the Fourth Proportional to 125,561.45, 173,285.52 and 71,123.33

Step by Step Solution

1. Step 1: Write the proportion equation
   125,561.45 : 173,285.52 = 71,123.33 : x
2. Step 2: Convert to fraction form
   125,561.45/173,285.52 = 71,123.33/x
3. Step 3: Cross multiply
   125,561.45x = 173,285.52 × 71,123.33
4. Step 4: Simplify right side
   125,561.45x = 12,324,643,300.78
5. Step 5: Solve for x
   x = 12,324,643,300.78/125,561.45
6. Step 6: Final answer
   x = 98,156.27