Finding the Fourth Proportional to 17,169.29, 23,693.39 and 9,615.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,169.29 : 23,693.39 = 9,615.61 : x
2. Step 2: Convert to fraction form
   17,169.29/23,693.39 = 9,615.61/x
3. Step 3: Cross multiply
   17,169.29x = 23,693.39 × 9,615.61
4. Step 4: Simplify right side
   17,169.29x = 227,826,231.27
5. Step 5: Solve for x
   x = 227,826,231.27/17,169.29
6. Step 6: Final answer
   x = 13,269.40