Finding the Fourth Proportional to 6,337.30, 8,744.07 and 3,978.58

Step by Step Solution

1. Step 1: Write the proportion equation
   6,337.30 : 8,744.07 = 3,978.58 : x
2. Step 2: Convert to fraction form
   6,337.30/8,744.07 = 3,978.58/x
3. Step 3: Cross multiply
   6,337.30x = 8,744.07 × 3,978.58
4. Step 4: Simplify right side
   6,337.30x = 34,788,982.02
5. Step 5: Solve for x
   x = 34,788,982.02/6,337.30
6. Step 6: Final answer
   x = 5,489.56