Finding the Fourth Proportional to 17,513.40, 24,168.57 and 9,555.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,513.40 : 24,168.57 = 9,555.79 : x
2. Step 2: Convert to fraction form
   17,513.40/24,168.57 = 9,555.79/x
3. Step 3: Cross multiply
   17,513.40x = 24,168.57 × 9,555.79
4. Step 4: Simplify right side
   17,513.40x = 230,949,779.52
5. Step 5: Solve for x
   x = 230,949,779.52/17,513.40
6. Step 6: Final answer
   x = 13,187.03