Finding the Fourth Proportional to 22,979.52, 31,711.72 and 13,043.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,979.52 : 31,711.72 = 13,043.52 : x
2. Step 2: Convert to fraction form
   22,979.52/31,711.72 = 13,043.52/x
3. Step 3: Cross multiply
   22,979.52x = 31,711.72 × 13,043.52
4. Step 4: Simplify right side
   22,979.52x = 413,632,454.05
5. Step 5: Solve for x
   x = 413,632,454.05/22,979.52
6. Step 6: Final answer
   x = 18,000.05