Finding the Fourth Proportional to 17,142.16, 23,658.37 and 9,588.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,142.16 : 23,658.37 = 9,588.91 : x
2. Step 2: Convert to fraction form
   17,142.16/23,658.37 = 9,588.91/x
3. Step 3: Cross multiply
   17,142.16x = 23,658.37 × 9,588.91
4. Step 4: Simplify right side
   17,142.16x = 226,857,814.44
5. Step 5: Solve for x
   x = 226,857,814.44/17,142.16
6. Step 6: Final answer
   x = 13,233.91