Finding the Fourth Proportional to 8,280.59, 12,426.17 and 3,015.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,280.59 : 12,426.17 = 3,015.09 : x
2. Step 2: Convert to fraction form
   8,280.59/12,426.17 = 3,015.09/x
3. Step 3: Cross multiply
   8,280.59x = 12,426.17 × 3,015.09
4. Step 4: Simplify right side
   8,280.59x = 37,466,005.83
5. Step 5: Solve for x
   x = 37,466,005.83/8,280.59
6. Step 6: Final answer
   x = 4,524.56