Finding the Fourth Proportional to 6,408.50, 8,843.82 and 3,924.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,408.50 : 8,843.82 = 3,924.50 : x
2. Step 2: Convert to fraction form
   6,408.50/8,843.82 = 3,924.50/x
3. Step 3: Cross multiply
   6,408.50x = 8,843.82 × 3,924.50
4. Step 4: Simplify right side
   6,408.50x = 34,707,571.59
5. Step 5: Solve for x
   x = 34,707,571.59/6,408.50
6. Step 6: Final answer
   x = 5,415.87