Finding the Fourth Proportional to 31,031.92, 42,825 and 16,883.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,031.92 : 42,825 = 16,883.92 : x
2. Step 2: Convert to fraction form
   31,031.92/42,825 = 16,883.92/x
3. Step 3: Cross multiply
   31,031.92x = 42,825 × 16,883.92
4. Step 4: Simplify right side
   31,031.92x = 723,053,874.00
5. Step 5: Solve for x
   x = 723,053,874.00/31,031.92
6. Step 6: Final answer
   x = 23,300.33