Finding the Fourth Proportional to 6,408.06, 8,843.37 and 3,613.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,408.06 : 8,843.37 = 3,613.50 : x
2. Step 2: Convert to fraction form
   6,408.06/8,843.37 = 3,613.50/x
3. Step 3: Cross multiply
   6,408.06x = 8,843.37 × 3,613.50
4. Step 4: Simplify right side
   6,408.06x = 31,955,517.50
5. Step 5: Solve for x
   x = 31,955,517.50/6,408.06
6. Step 6: Final answer
   x = 4,986.77