Finding the Fourth Proportional to 8,323.89, 12,487.37 and 2,479.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,323.89 : 12,487.37 = 2,479.83 : x
2. Step 2: Convert to fraction form
   8,323.89/12,487.37 = 2,479.83/x
3. Step 3: Cross multiply
   8,323.89x = 12,487.37 × 2,479.83
4. Step 4: Simplify right side
   8,323.89x = 30,966,542.35
5. Step 5: Solve for x
   x = 30,966,542.35/8,323.89
6. Step 6: Final answer
   x = 3,720.20