Finding the Fourth Proportional to 17,144.72, 23,658.60 and 9,589.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,144.72 : 23,658.60 = 9,589.74 : x
2. Step 2: Convert to fraction form
   17,144.72/23,658.60 = 9,589.74/x
3. Step 3: Cross multiply
   17,144.72x = 23,658.60 × 9,589.74
4. Step 4: Simplify right side
   17,144.72x = 226,879,822.76
5. Step 5: Solve for x
   x = 226,879,822.76/17,144.72
6. Step 6: Final answer
   x = 13,233.22