Finding the Fourth Proportional to 17,616.80, 24,311.25 and 9,659.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,616.80 : 24,311.25 = 9,659.16 : x
2. Step 2: Convert to fraction form
   17,616.80/24,311.25 = 9,659.16/x
3. Step 3: Cross multiply
   17,616.80x = 24,311.25 × 9,659.16
4. Step 4: Simplify right side
   17,616.80x = 234,826,253.55
5. Step 5: Solve for x
   x = 234,826,253.55/17,616.80
6. Step 6: Final answer
   x = 13,329.68