Finding the Fourth Proportional to 22,644.88, 31,250.91 and 12,573.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,644.88 : 31,250.91 = 12,573.32 : x
2. Step 2: Convert to fraction form
   22,644.88/31,250.91 = 12,573.32/x
3. Step 3: Cross multiply
   22,644.88x = 31,250.91 × 12,573.32
4. Step 4: Simplify right side
   22,644.88x = 392,927,691.72
5. Step 5: Solve for x
   x = 392,927,691.72/22,644.88
6. Step 6: Final answer
   x = 17,351.72