Finding the Fourth Proportional to 17,615.57, 24,309.27 and 9,657.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,615.57 : 24,309.27 = 9,657.79 : x
2. Step 2: Convert to fraction form
   17,615.57/24,309.27 = 9,657.79/x
3. Step 3: Cross multiply
   17,615.57x = 24,309.27 × 9,657.79
4. Step 4: Simplify right side
   17,615.57x = 234,773,763.94
5. Step 5: Solve for x
   x = 234,773,763.94/17,615.57
6. Step 6: Final answer
   x = 13,327.63