Finding the Fourth Proportional to 5,978.89, 8,250.46 and 3,326.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.89 : 8,250.46 = 3,326.20 : x
2. Step 2: Convert to fraction form
   5,978.89/8,250.46 = 3,326.20/x
3. Step 3: Cross multiply
   5,978.89x = 8,250.46 × 3,326.20
4. Step 4: Simplify right side
   5,978.89x = 27,442,680.05
5. Step 5: Solve for x
   x = 27,442,680.05/5,978.89
6. Step 6: Final answer
   x = 4,589.93