Finding the Fourth Proportional to 8,322.76, 12,484 and 2,479.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,322.76 : 12,484 = 2,479.15 : x
2. Step 2: Convert to fraction form
   8,322.76/12,484 = 2,479.15/x
3. Step 3: Cross multiply
   8,322.76x = 12,484 × 2,479.15
4. Step 4: Simplify right side
   8,322.76x = 30,949,708.60
5. Step 5: Solve for x
   x = 30,949,708.60/8,322.76
6. Step 6: Final answer
   x = 3,718.68