Finding the Fourth Proportional to 17,616.67, 24,311 and 9,658.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,616.67 : 24,311 = 9,658.72 : x
2. Step 2: Convert to fraction form
   17,616.67/24,311 = 9,658.72/x
3. Step 3: Cross multiply
   17,616.67x = 24,311 × 9,658.72
4. Step 4: Simplify right side
   17,616.67x = 234,813,141.92
5. Step 5: Solve for x
   x = 234,813,141.92/17,616.67
6. Step 6: Final answer
   x = 13,329.03