Finding the Fourth Proportional to 41,687.82, 62,542.26 and 12,105

Step by Step Solution

1. Step 1: Write the proportion equation
   41,687.82 : 62,542.26 = 12,105 : x
2. Step 2: Convert to fraction form
   41,687.82/62,542.26 = 12,105/x
3. Step 3: Cross multiply
   41,687.82x = 62,542.26 × 12,105
4. Step 4: Simplify right side
   41,687.82x = 757,074,057.30
5. Step 5: Solve for x
   x = 757,074,057.30/41,687.82
6. Step 6: Final answer
   x = 18,160.56