Finding the Fourth Proportional to 8,322.45, 12,483.62 and 2,479.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,322.45 : 12,483.62 = 2,479.05 : x
2. Step 2: Convert to fraction form
   8,322.45/12,483.62 = 2,479.05/x
3. Step 3: Cross multiply
   8,322.45x = 12,483.62 × 2,479.05
4. Step 4: Simplify right side
   8,322.45x = 30,947,505.77
5. Step 5: Solve for x
   x = 30,947,505.77/8,322.45
6. Step 6: Final answer
   x = 3,718.56