Finding the Fourth Proportional to 6,291.72, 8,682.24 and 3,459.04

Step by Step Solution

1. Step 1: Write the proportion equation
   6,291.72 : 8,682.24 = 3,459.04 : x
2. Step 2: Convert to fraction form
   6,291.72/8,682.24 = 3,459.04/x
3. Step 3: Cross multiply
   6,291.72x = 8,682.24 × 3,459.04
4. Step 4: Simplify right side
   6,291.72x = 30,032,215.45
5. Step 5: Solve for x
   x = 30,032,215.45/6,291.72
6. Step 6: Final answer
   x = 4,773.29