Finding the Fourth Proportional to 126,253.88, 174,229.98 and 69,665.30

Step by Step Solution

1. Step 1: Write the proportion equation
   126,253.88 : 174,229.98 = 69,665.30 : x
2. Step 2: Convert to fraction form
   126,253.88/174,229.98 = 69,665.30/x
3. Step 3: Cross multiply
   126,253.88x = 174,229.98 × 69,665.30
4. Step 4: Simplify right side
   126,253.88x = 12,137,783,825.69
5. Step 5: Solve for x
   x = 12,137,783,825.69/126,253.88
6. Step 6: Final answer
   x = 96,137.91