Finding the Fourth Proportional to 22,766.24, 31,417.27 and 12,694.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,766.24 : 31,417.27 = 12,694.80 : x
2. Step 2: Convert to fraction form
   22,766.24/31,417.27 = 12,694.80/x
3. Step 3: Cross multiply
   22,766.24x = 31,417.27 × 12,694.80
4. Step 4: Simplify right side
   22,766.24x = 398,835,895.72
5. Step 5: Solve for x
   x = 398,835,895.72/22,766.24
6. Step 6: Final answer
   x = 17,518.75