Finding the Fourth Proportional to 17,512.78, 24,167.71 and 9,555.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,512.78 : 24,167.71 = 9,555.17 : x
2. Step 2: Convert to fraction form
   17,512.78/24,167.71 = 9,555.17/x
3. Step 3: Cross multiply
   17,512.78x = 24,167.71 × 9,555.17
4. Step 4: Simplify right side
   17,512.78x = 230,926,559.30
5. Step 5: Solve for x
   x = 230,926,559.30/17,512.78
6. Step 6: Final answer
   x = 13,186.18