Finding the Fourth Proportional to 6,081.67, 8,391.61 and 3,429.07

Step by Step Solution

1. Step 1: Write the proportion equation
   6,081.67 : 8,391.61 = 3,429.07 : x
2. Step 2: Convert to fraction form
   6,081.67/8,391.61 = 3,429.07/x
3. Step 3: Cross multiply
   6,081.67x = 8,391.61 × 3,429.07
4. Step 4: Simplify right side
   6,081.67x = 28,775,418.10
5. Step 5: Solve for x
   x = 28,775,418.10/6,081.67
6. Step 6: Final answer
   x = 4,731.50