Finding the Fourth Proportional to 10,332.72, 14,259.20 and 5,616.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,332.72 : 14,259.20 = 5,616.99 : x
2. Step 2: Convert to fraction form
   10,332.72/14,259.20 = 5,616.99/x
3. Step 3: Cross multiply
   10,332.72x = 14,259.20 × 5,616.99
4. Step 4: Simplify right side
   10,332.72x = 80,093,755.72
5. Step 5: Solve for x
   x = 80,093,755.72/10,332.72
6. Step 6: Final answer
   x = 7,751.47