Finding the Fourth Proportional to 126,315.40, 174,315.29 and 69,726.78

Step by Step Solution

1. Step 1: Write the proportion equation
   126,315.40 : 174,315.29 = 69,726.78 : x
2. Step 2: Convert to fraction form
   126,315.40/174,315.29 = 69,726.78/x
3. Step 3: Cross multiply
   126,315.40x = 174,315.29 × 69,726.78
4. Step 4: Simplify right side
   126,315.40x = 12,154,443,876.47
5. Step 5: Solve for x
   x = 12,154,443,876.47/126,315.40
6. Step 6: Final answer
   x = 96,222.98