Finding the Fourth Proportional to 17,716.72, 24,449.76 and 9,759.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,716.72 : 24,449.76 = 9,759.28 : x
2. Step 2: Convert to fraction form
   17,716.72/24,449.76 = 9,759.28/x
3. Step 3: Cross multiply
   17,716.72x = 24,449.76 × 9,759.28
4. Step 4: Simplify right side
   17,716.72x = 238,612,053.77
5. Step 5: Solve for x
   x = 238,612,053.77/17,716.72
6. Step 6: Final answer
   x = 13,468.18