Finding the Fourth Proportional to 17,003.12, 23,457.56 and 9,831.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,003.12 : 23,457.56 = 9,831.71 : x
2. Step 2: Convert to fraction form
   17,003.12/23,457.56 = 9,831.71/x
3. Step 3: Cross multiply
   17,003.12x = 23,457.56 × 9,831.71
4. Step 4: Simplify right side
   17,003.12x = 230,627,760.78
5. Step 5: Solve for x
   x = 230,627,760.78/17,003.12
6. Step 6: Final answer
   x = 13,563.85