Finding the Fourth Proportional to 8,104.77, 12,158.46 and 3,424.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,104.77 : 12,158.46 = 3,424.83 : x
2. Step 2: Convert to fraction form
   8,104.77/12,158.46 = 3,424.83/x
3. Step 3: Cross multiply
   8,104.77x = 12,158.46 × 3,424.83
4. Step 4: Simplify right side
   8,104.77x = 41,640,580.65
5. Step 5: Solve for x
   x = 41,640,580.65/8,104.77
6. Step 6: Final answer
   x = 5,137.79