Finding the Fourth Proportional to 22,517.92, 31,074.78 and 12,446.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,517.92 : 31,074.78 = 12,446.38 : x
2. Step 2: Convert to fraction form
   22,517.92/31,074.78 = 12,446.38/x
3. Step 3: Cross multiply
   22,517.92x = 31,074.78 × 12,446.38
4. Step 4: Simplify right side
   22,517.92x = 386,768,520.30
5. Step 5: Solve for x
   x = 386,768,520.30/22,517.92
6. Step 6: Final answer
   x = 17,176.03