Finding the Fourth Proportional to 22,654.20, 31,261.71 and 12,583.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,654.20 : 31,261.71 = 12,583.29 : x
2. Step 2: Convert to fraction form
   22,654.20/31,261.71 = 12,583.29/x
3. Step 3: Cross multiply
   22,654.20x = 31,261.71 × 12,583.29
4. Step 4: Simplify right side
   22,654.20x = 393,375,162.83
5. Step 5: Solve for x
   x = 393,375,162.83/22,654.20
6. Step 6: Final answer
   x = 17,364.34