Finding the Fourth Proportional to 8,280.48, 12,414.24 and 5,196

Step by Step Solution

1. Step 1: Write the proportion equation
   8,280.48 : 12,414.24 = 5,196 : x
2. Step 2: Convert to fraction form
   8,280.48/12,414.24 = 5,196/x
3. Step 3: Cross multiply
   8,280.48x = 12,414.24 × 5,196
4. Step 4: Simplify right side
   8,280.48x = 64,504,391.04
5. Step 5: Solve for x
   x = 64,504,391.04/8,280.48
6. Step 6: Final answer
   x = 7,789.93