Finding the Fourth Proportional to 22,797.36, 31,461.48 and 12,726.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,797.36 : 31,461.48 = 12,726.72 : x
2. Step 2: Convert to fraction form
   22,797.36/31,461.48 = 12,726.72/x
3. Step 3: Cross multiply
   22,797.36x = 31,461.48 × 12,726.72
4. Step 4: Simplify right side
   22,797.36x = 400,401,446.75
5. Step 5: Solve for x
   x = 400,401,446.75/22,797.36
6. Step 6: Final answer
   x = 17,563.50