Finding the Fourth Proportional to 31,124.22, 42,949.71 and 17,693.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,124.22 : 42,949.71 = 17,693.61 : x
2. Step 2: Convert to fraction form
   31,124.22/42,949.71 = 17,693.61/x
3. Step 3: Cross multiply
   31,124.22x = 42,949.71 × 17,693.61
4. Step 4: Simplify right side
   31,124.22x = 759,935,418.35
5. Step 5: Solve for x
   x = 759,935,418.35/31,124.22
6. Step 6: Final answer
   x = 24,416.21