Finding the Fourth Proportional to 6,085.81, 8,398.41 and 3,291.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,085.81 : 8,398.41 = 3,291.31 : x
2. Step 2: Convert to fraction form
   6,085.81/8,398.41 = 3,291.31/x
3. Step 3: Cross multiply
   6,085.81x = 8,398.41 × 3,291.31
4. Step 4: Simplify right side
   6,085.81x = 27,641,770.82
5. Step 5: Solve for x
   x = 27,641,770.82/6,085.81
6. Step 6: Final answer
   x = 4,542.00