Finding the Fourth Proportional to 6,086.91, 8,401.29 and 3,958.74

Step by Step Solution

1. Step 1: Write the proportion equation
   6,086.91 : 8,401.29 = 3,958.74 : x
2. Step 2: Convert to fraction form
   6,086.91/8,401.29 = 3,958.74/x
3. Step 3: Cross multiply
   6,086.91x = 8,401.29 × 3,958.74
4. Step 4: Simplify right side
   6,086.91x = 33,258,522.77
5. Step 5: Solve for x
   x = 33,258,522.77/6,086.91
6. Step 6: Final answer
   x = 5,463.94