Finding the Fourth Proportional to 6,291.72, 8,682.57 and 3,459.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,291.72 : 8,682.57 = 3,459.27 : x
2. Step 2: Convert to fraction form
   6,291.72/8,682.57 = 3,459.27/x
3. Step 3: Cross multiply
   6,291.72x = 8,682.57 × 3,459.27
4. Step 4: Simplify right side
   6,291.72x = 30,035,353.92
5. Step 5: Solve for x
   x = 30,035,353.92/6,291.72
6. Step 6: Final answer
   x = 4,773.79