Finding the Fourth Proportional to 22,258.72, 33,401.04 and 8,408.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,258.72 : 33,401.04 = 8,408.80 : x
2. Step 2: Convert to fraction form
   22,258.72/33,401.04 = 8,408.80/x
3. Step 3: Cross multiply
   22,258.72x = 33,401.04 × 8,408.80
4. Step 4: Simplify right side
   22,258.72x = 280,862,665.15
5. Step 5: Solve for x
   x = 280,862,665.15/22,258.72
6. Step 6: Final answer
   x = 12,618.10