Finding the Fourth Proportional to 17,687.34, 24,408.42 and 9,729.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,687.34 : 24,408.42 = 9,729.54 : x
2. Step 2: Convert to fraction form
   17,687.34/24,408.42 = 9,729.54/x
3. Step 3: Cross multiply
   17,687.34x = 24,408.42 × 9,729.54
4. Step 4: Simplify right side
   17,687.34x = 237,482,698.73
5. Step 5: Solve for x
   x = 237,482,698.73/17,687.34
6. Step 6: Final answer
   x = 13,426.71