Finding the Fourth Proportional to 17,513.51, 24,168.78 and 9,555.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,513.51 : 24,168.78 = 9,555.86 : x
2. Step 2: Convert to fraction form
   17,513.51/24,168.78 = 9,555.86/x
3. Step 3: Cross multiply
   17,513.51x = 24,168.78 × 9,555.86
4. Step 4: Simplify right side
   17,513.51x = 230,953,538.47
5. Step 5: Solve for x
   x = 230,953,538.47/17,513.51
6. Step 6: Final answer
   x = 13,187.17