Finding the Fourth Proportional to 125,868.72, 173,700 and 69,280.50

Step by Step Solution

1. Step 1: Write the proportion equation
   125,868.72 : 173,700 = 69,280.50 : x
2. Step 2: Convert to fraction form
   125,868.72/173,700 = 69,280.50/x
3. Step 3: Cross multiply
   125,868.72x = 173,700 × 69,280.50
4. Step 4: Simplify right side
   125,868.72x = 12,034,022,850
5. Step 5: Solve for x
   x = 12,034,022,850/125,868.72
6. Step 6: Final answer
   x = 95,607.73