Finding the Fourth Proportional to 14,080.86, 21,113.50 and 5,766.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,080.86 : 21,113.50 = 5,766.72 : x
2. Step 2: Convert to fraction form
   14,080.86/21,113.50 = 5,766.72/x
3. Step 3: Cross multiply
   14,080.86x = 21,113.50 × 5,766.72
4. Step 4: Simplify right side
   14,080.86x = 121,755,642.72
5. Step 5: Solve for x
   x = 121,755,642.72/14,080.86
6. Step 6: Final answer
   x = 8,646.89