Finding the Fourth Proportional to 8,158.67, 12,229.41 and 3,779

Step by Step Solution

1. Step 1: Write the proportion equation
   8,158.67 : 12,229.41 = 3,779 : x
2. Step 2: Convert to fraction form
   8,158.67/12,229.41 = 3,779/x
3. Step 3: Cross multiply
   8,158.67x = 12,229.41 × 3,779
4. Step 4: Simplify right side
   8,158.67x = 46,214,940.39
5. Step 5: Solve for x
   x = 46,214,940.39/8,158.67
6. Step 6: Final answer
   x = 5,664.52