Finding the Fourth Proportional to 22,468.92, 31,005.36 and 12,397.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,468.92 : 31,005.36 = 12,397.74 : x
2. Step 2: Convert to fraction form
   22,468.92/31,005.36 = 12,397.74/x
3. Step 3: Cross multiply
   22,468.92x = 31,005.36 × 12,397.74
4. Step 4: Simplify right side
   22,468.92x = 384,396,391.89
5. Step 5: Solve for x
   x = 384,396,391.89/22,468.92
6. Step 6: Final answer
   x = 17,107.92