Finding the Fourth Proportional to 22,274.72, 33,399.12 and 8,424.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,274.72 : 33,399.12 = 8,424.80 : x
2. Step 2: Convert to fraction form
   22,274.72/33,399.12 = 8,424.80/x
3. Step 3: Cross multiply
   22,274.72x = 33,399.12 × 8,424.80
4. Step 4: Simplify right side
   22,274.72x = 281,380,906.18
5. Step 5: Solve for x
   x = 281,380,906.18/22,274.72
6. Step 6: Final answer
   x = 12,632.30