Finding the Fourth Proportional to 6,327.50, 8,730.38 and 3,939.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,327.50 : 8,730.38 = 3,939.34 : x
2. Step 2: Convert to fraction form
   6,327.50/8,730.38 = 3,939.34/x
3. Step 3: Cross multiply
   6,327.50x = 8,730.38 × 3,939.34
4. Step 4: Simplify right side
   6,327.50x = 34,391,935.15
5. Step 5: Solve for x
   x = 34,391,935.15/6,327.50
6. Step 6: Final answer
   x = 5,435.31