Finding the Fourth Proportional to 22,794.50, 31,456.15 and 12,725.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,794.50 : 31,456.15 = 12,725.43 : x
2. Step 2: Convert to fraction form
   22,794.50/31,456.15 = 12,725.43/x
3. Step 3: Cross multiply
   22,794.50x = 31,456.15 × 12,725.43
4. Step 4: Simplify right side
   22,794.50x = 400,292,885.12
5. Step 5: Solve for x
   x = 400,292,885.12/22,794.50
6. Step 6: Final answer
   x = 17,560.94