Finding the Fourth Proportional to 6,118.30, 8,443.21 and 3,323.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,118.30 : 8,443.21 = 3,323.80 : x
2. Step 2: Convert to fraction form
   6,118.30/8,443.21 = 3,323.80/x
3. Step 3: Cross multiply
   6,118.30x = 8,443.21 × 3,323.80
4. Step 4: Simplify right side
   6,118.30x = 28,063,541.40
5. Step 5: Solve for x
   x = 28,063,541.40/6,118.30
6. Step 6: Final answer
   x = 4,586.82