Finding the Fourth Proportional to 6,081.25, 8,391.63 and 3,429.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,081.25 : 8,391.63 = 3,429.31 : x
2. Step 2: Convert to fraction form
   6,081.25/8,391.63 = 3,429.31/x
3. Step 3: Cross multiply
   6,081.25x = 8,391.63 × 3,429.31
4. Step 4: Simplify right side
   6,081.25x = 28,777,500.68
5. Step 5: Solve for x
   x = 28,777,500.68/6,081.25
6. Step 6: Final answer
   x = 4,732.17