Finding the Fourth Proportional to 22,871.52, 31,565.61 and 12,800.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,871.52 : 31,565.61 = 12,800.52 : x
2. Step 2: Convert to fraction form
   22,871.52/31,565.61 = 12,800.52/x
3. Step 3: Cross multiply
   22,871.52x = 31,565.61 × 12,800.52
4. Step 4: Simplify right side
   22,871.52x = 404,056,222.12
5. Step 5: Solve for x
   x = 404,056,222.12/22,871.52
6. Step 6: Final answer
   x = 17,666.35