Finding the Fourth Proportional to 8,323.43, 12,487.23 and 2,479.95

Step by Step Solution

1. Step 1: Write the proportion equation
   8,323.43 : 12,487.23 = 2,479.95 : x
2. Step 2: Convert to fraction form
   8,323.43/12,487.23 = 2,479.95/x
3. Step 3: Cross multiply
   8,323.43x = 12,487.23 × 2,479.95
4. Step 4: Simplify right side
   8,323.43x = 30,967,706.04
5. Step 5: Solve for x
   x = 30,967,706.04/8,323.43
6. Step 6: Final answer
   x = 3,720.55