Finding the Fourth Proportional to 17,513.21, 24,168.31 and 9,555.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,513.21 : 24,168.31 = 9,555.60 : x
2. Step 2: Convert to fraction form
   17,513.21/24,168.31 = 9,555.60/x
3. Step 3: Cross multiply
   17,513.21x = 24,168.31 × 9,555.60
4. Step 4: Simplify right side
   17,513.21x = 230,942,703.04
5. Step 5: Solve for x
   x = 230,942,703.04/17,513.21
6. Step 6: Final answer
   x = 13,186.77