Finding the Fourth Proportional to 22,796.87, 31,456.86 and 12,725.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,796.87 : 31,456.86 = 12,725.87 : x
2. Step 2: Convert to fraction form
   22,796.87/31,456.86 = 12,725.87/x
3. Step 3: Cross multiply
   22,796.87x = 31,456.86 × 12,725.87
4. Step 4: Simplify right side
   22,796.87x = 400,315,910.97
5. Step 5: Solve for x
   x = 400,315,910.97/22,796.87
6. Step 6: Final answer
   x = 17,560.13