Finding the Fourth Proportional to 16,801.32, 23,171.22 and 10,831.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,801.32 : 23,171.22 = 10,831.08 : x
2. Step 2: Convert to fraction form
   16,801.32/23,171.22 = 10,831.08/x
3. Step 3: Cross multiply
   16,801.32x = 23,171.22 × 10,831.08
4. Step 4: Simplify right side
   16,801.32x = 250,969,337.52
5. Step 5: Solve for x
   x = 250,969,337.52/16,801.32
6. Step 6: Final answer
   x = 14,937.48