Finding the Fourth Proportional to 8,105, 12,162.54 and 3,488.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105 : 12,162.54 = 3,488.04 : x
2. Step 2: Convert to fraction form
   8,105/12,162.54 = 3,488.04/x
3. Step 3: Cross multiply
   8,105x = 12,162.54 × 3,488.04
4. Step 4: Simplify right side
   8,105x = 42,423,426.02
5. Step 5: Solve for x
   x = 42,423,426.02/8,105
6. Step 6: Final answer
   x = 5,234.23