Finding the Fourth Proportional to 22,797.37, 31,457.55 and 12,726.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,797.37 : 31,457.55 = 12,726.37 : x
2. Step 2: Convert to fraction form
   22,797.37/31,457.55 = 12,726.37/x
3. Step 3: Cross multiply
   22,797.37x = 31,457.55 × 12,726.37
4. Step 4: Simplify right side
   22,797.37x = 400,340,420.59
5. Step 5: Solve for x
   x = 400,340,420.59/22,797.37
6. Step 6: Final answer
   x = 17,560.82