Finding the Fourth Proportional to 17,715.22, 24,447.69 and 9,757.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,715.22 : 24,447.69 = 9,757.78 : x
2. Step 2: Convert to fraction form
   17,715.22/24,447.69 = 9,757.78/x
3. Step 3: Cross multiply
   17,715.22x = 24,447.69 × 9,757.78
4. Step 4: Simplify right side
   17,715.22x = 238,555,180.53
5. Step 5: Solve for x
   x = 238,555,180.53/17,715.22
6. Step 6: Final answer
   x = 13,466.11