Finding the Fourth Proportional to 17,269.56, 23,831.46 and 9,716.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,269.56 : 23,831.46 = 9,716.31 : x
2. Step 2: Convert to fraction form
   17,269.56/23,831.46 = 9,716.31/x
3. Step 3: Cross multiply
   17,269.56x = 23,831.46 × 9,716.31
4. Step 4: Simplify right side
   17,269.56x = 231,553,853.11
5. Step 5: Solve for x
   x = 231,553,853.11/17,269.56
6. Step 6: Final answer
   x = 13,408.21