Finding the Fourth Proportional to 8,255.43, 12,379.98 and 3,323.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,255.43 : 12,379.98 = 3,323.37 : x
2. Step 2: Convert to fraction form
   8,255.43/12,379.98 = 3,323.37/x
3. Step 3: Cross multiply
   8,255.43x = 12,379.98 × 3,323.37
4. Step 4: Simplify right side
   8,255.43x = 41,143,254.13
5. Step 5: Solve for x
   x = 41,143,254.13/8,255.43
6. Step 6: Final answer
   x = 4,983.78