Finding the Fourth Proportional to 6,478.16, 8,939.04 and 3,683.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,478.16 : 8,939.04 = 3,683.72 : x
2. Step 2: Convert to fraction form
   6,478.16/8,939.04 = 3,683.72/x
3. Step 3: Cross multiply
   6,478.16x = 8,939.04 × 3,683.72
4. Step 4: Simplify right side
   6,478.16x = 32,928,920.43
5. Step 5: Solve for x
   x = 32,928,920.43/6,478.16
6. Step 6: Final answer
   x = 5,083.07