Finding the Fourth Proportional to 22,685.10, 31,305.27 and 12,614.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,685.10 : 31,305.27 = 12,614.46 : x
2. Step 2: Convert to fraction form
   22,685.10/31,305.27 = 12,614.46/x
3. Step 3: Cross multiply
   22,685.10x = 31,305.27 × 12,614.46
4. Step 4: Simplify right side
   22,685.10x = 394,899,076.20
5. Step 5: Solve for x
   x = 394,899,076.20/22,685.10
6. Step 6: Final answer
   x = 17,407.86