Finding the Fourth Proportional to 6,396.50, 9,578.72 and 4,049.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,396.50 : 9,578.72 = 4,049.42 : x
2. Step 2: Convert to fraction form
   6,396.50/9,578.72 = 4,049.42/x
3. Step 3: Cross multiply
   6,396.50x = 9,578.72 × 4,049.42
4. Step 4: Simplify right side
   6,396.50x = 38,788,260.34
5. Step 5: Solve for x
   x = 38,788,260.34/6,396.50
6. Step 6: Final answer
   x = 6,063.98