Finding the Fourth Proportional to 6,320.38, 8,719.50 and 3,958.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,320.38 : 8,719.50 = 3,958.42 : x
2. Step 2: Convert to fraction form
   6,320.38/8,719.50 = 3,958.42/x
3. Step 3: Cross multiply
   6,320.38x = 8,719.50 × 3,958.42
4. Step 4: Simplify right side
   6,320.38x = 34,515,443.19
5. Step 5: Solve for x
   x = 34,515,443.19/6,320.38
6. Step 6: Final answer
   x = 5,460.98