Finding the Fourth Proportional to 22,426.98, 30,949.38 and 12,867.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,426.98 : 30,949.38 = 12,867.27 : x
2. Step 2: Convert to fraction form
   22,426.98/30,949.38 = 12,867.27/x
3. Step 3: Cross multiply
   22,426.98x = 30,949.38 × 12,867.27
4. Step 4: Simplify right side
   22,426.98x = 398,234,028.79
5. Step 5: Solve for x
   x = 398,234,028.79/22,426.98
6. Step 6: Final answer
   x = 17,756.92