Finding the Fourth Proportional to 17,687.42, 24,408.51 and 9,729.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,687.42 : 24,408.51 = 9,729.48 : x
2. Step 2: Convert to fraction form
   17,687.42/24,408.51 = 9,729.48/x
3. Step 3: Cross multiply
   17,687.42x = 24,408.51 × 9,729.48
4. Step 4: Simplify right side
   17,687.42x = 237,482,012.16
5. Step 5: Solve for x
   x = 237,482,012.16/17,687.42
6. Step 6: Final answer
   x = 13,426.60