Finding the Fourth Proportional to 126,480.25, 174,545.25 and 69,123.12

Step by Step Solution

1. Step 1: Write the proportion equation
   126,480.25 : 174,545.25 = 69,123.12 : x
2. Step 2: Convert to fraction form
   126,480.25/174,545.25 = 69,123.12/x
3. Step 3: Cross multiply
   126,480.25x = 174,545.25 × 69,123.12
4. Step 4: Simplify right side
   126,480.25x = 12,065,111,915.56
5. Step 5: Solve for x
   x = 12,065,111,915.56/126,480.25
6. Step 6: Final answer
   x = 95,391.28