Finding the Fourth Proportional to 5,978.70, 8,250.59 and 3,326.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.70 : 8,250.59 = 3,326.05 : x
2. Step 2: Convert to fraction form
   5,978.70/8,250.59 = 3,326.05/x
3. Step 3: Cross multiply
   5,978.70x = 8,250.59 × 3,326.05
4. Step 4: Simplify right side
   5,978.70x = 27,441,833.62
5. Step 5: Solve for x
   x = 27,441,833.62/5,978.70
6. Step 6: Final answer
   x = 4,589.93