Finding the Fourth Proportional to 5,978.43, 8,248.01 and 3,739.46

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.43 : 8,248.01 = 3,739.46 : x
2. Step 2: Convert to fraction form
   5,978.43/8,248.01 = 3,739.46/x
3. Step 3: Cross multiply
   5,978.43x = 8,248.01 × 3,739.46
4. Step 4: Simplify right side
   5,978.43x = 30,843,043.54
5. Step 5: Solve for x
   x = 30,843,043.54/5,978.43
6. Step 6: Final answer
   x = 5,159.05