Finding the Fourth Proportional to 8,726.88, 12,040.56 and 5,414.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,726.88 : 12,040.56 = 5,414.88 : x
2. Step 2: Convert to fraction form
   8,726.88/12,040.56 = 5,414.88/x
3. Step 3: Cross multiply
   8,726.88x = 12,040.56 × 5,414.88
4. Step 4: Simplify right side
   8,726.88x = 65,198,187.53
5. Step 5: Solve for x
   x = 65,198,187.53/8,726.88
6. Step 6: Final answer
   x = 7,470.96