Finding the Fourth Proportional to 17,644.72, 24,349.41 and 9,686.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,644.72 : 24,349.41 = 9,686.88 : x
2. Step 2: Convert to fraction form
   17,644.72/24,349.41 = 9,686.88/x
3. Step 3: Cross multiply
   17,644.72x = 24,349.41 × 9,686.88
4. Step 4: Simplify right side
   17,644.72x = 235,869,901.94
5. Step 5: Solve for x
   x = 235,869,901.94/17,644.72
6. Step 6: Final answer
   x = 13,367.73