Finding the Fourth Proportional to 17,515.05, 24,171.12 and 9,557.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,515.05 : 24,171.12 = 9,557.61 : x
2. Step 2: Convert to fraction form
   17,515.05/24,171.12 = 9,557.61/x
3. Step 3: Cross multiply
   17,515.05x = 24,171.12 × 9,557.61
4. Step 4: Simplify right side
   17,515.05x = 231,018,138.22
5. Step 5: Solve for x
   x = 231,018,138.22/17,515.05
6. Step 6: Final answer
   x = 13,189.69