Finding the Fourth Proportional to 17,644.80, 24,350.72 and 9,686.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,644.80 : 24,350.72 = 9,686.96 : x
2. Step 2: Convert to fraction form
   17,644.80/24,350.72 = 9,686.96/x
3. Step 3: Cross multiply
   17,644.80x = 24,350.72 × 9,686.96
4. Step 4: Simplify right side
   17,644.80x = 235,884,450.61
5. Step 5: Solve for x
   x = 235,884,450.61/17,644.80
6. Step 6: Final answer
   x = 13,368.50