Finding the Fourth Proportional to 14,854.24, 20,498.83 and 8,140.29

Step by Step Solution

1. Step 1: Write the proportion equation
   14,854.24 : 20,498.83 = 8,140.29 : x
2. Step 2: Convert to fraction form
   14,854.24/20,498.83 = 8,140.29/x
3. Step 3: Cross multiply
   14,854.24x = 20,498.83 × 8,140.29
4. Step 4: Simplify right side
   14,854.24x = 166,866,420.86
5. Step 5: Solve for x
   x = 166,866,420.86/14,854.24
6. Step 6: Final answer
   x = 11,233.59