Finding the Fourth Proportional to 6,158.15, 8,497.89 and 3,640.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,158.15 : 8,497.89 = 3,640.49 : x
2. Step 2: Convert to fraction form
   6,158.15/8,497.89 = 3,640.49/x
3. Step 3: Cross multiply
   6,158.15x = 8,497.89 × 3,640.49
4. Step 4: Simplify right side
   6,158.15x = 30,936,483.57
5. Step 5: Solve for x
   x = 30,936,483.57/6,158.15
6. Step 6: Final answer
   x = 5,023.67