Finding the Fourth Proportional to 17,644.11, 24,348.72 and 9,686.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,644.11 : 24,348.72 = 9,686.18 : x
2. Step 2: Convert to fraction form
   17,644.11/24,348.72 = 9,686.18/x
3. Step 3: Cross multiply
   17,644.11x = 24,348.72 × 9,686.18
4. Step 4: Simplify right side
   17,644.11x = 235,845,962.95
5. Step 5: Solve for x
   x = 235,845,962.95/17,644.11
6. Step 6: Final answer
   x = 13,366.84