Finding the Fourth Proportional to 125,662.50, 173,414.61 and 71,948.34

Step by Step Solution

1. Step 1: Write the proportion equation
   125,662.50 : 173,414.61 = 71,948.34 : x
2. Step 2: Convert to fraction form
   125,662.50/173,414.61 = 71,948.34/x
3. Step 3: Cross multiply
   125,662.50x = 173,414.61 × 71,948.34
4. Step 4: Simplify right side
   125,662.50x = 12,476,893,321.25
5. Step 5: Solve for x
   x = 12,476,893,321.25/125,662.50
6. Step 6: Final answer
   x = 99,288.92