Finding the Fourth Proportional to 17,715.60, 24,447.70 and 9,757.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,715.60 : 24,447.70 = 9,757.86 : x
2. Step 2: Convert to fraction form
   17,715.60/24,447.70 = 9,757.86/x
3. Step 3: Cross multiply
   17,715.60x = 24,447.70 × 9,757.86
4. Step 4: Simplify right side
   17,715.60x = 238,557,233.92
5. Step 5: Solve for x
   x = 238,557,233.92/17,715.60
6. Step 6: Final answer
   x = 13,465.94