Finding the Fourth Proportional to 8,280.24, 12,411.72 and 3,353.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,280.24 : 12,411.72 = 3,353.28 : x
2. Step 2: Convert to fraction form
   8,280.24/12,411.72 = 3,353.28/x
3. Step 3: Cross multiply
   8,280.24x = 12,411.72 × 3,353.28
4. Step 4: Simplify right side
   8,280.24x = 41,619,972.44
5. Step 5: Solve for x
   x = 41,619,972.44/8,280.24
6. Step 6: Final answer
   x = 5,026.42