Finding the Fourth Proportional to 17,517.15, 24,172.74 and 9,559.23

Step by Step Solution

1. Step 1: Write the proportion equation
   17,517.15 : 24,172.74 = 9,559.23 : x
2. Step 2: Convert to fraction form
   17,517.15/24,172.74 = 9,559.23/x
3. Step 3: Cross multiply
   17,517.15x = 24,172.74 × 9,559.23
4. Step 4: Simplify right side
   17,517.15x = 231,072,781.39
5. Step 5: Solve for x
   x = 231,072,781.39/17,517.15
6. Step 6: Final answer
   x = 13,191.23