Finding the Fourth Proportional to 41,685.16, 62,538.06 and 12,105.16

Step by Step Solution

1. Step 1: Write the proportion equation
   41,685.16 : 62,538.06 = 12,105.16 : x
2. Step 2: Convert to fraction form
   41,685.16/62,538.06 = 12,105.16/x
3. Step 3: Cross multiply
   41,685.16x = 62,538.06 × 12,105.16
4. Step 4: Simplify right side
   41,685.16x = 757,033,222.39
5. Step 5: Solve for x
   x = 757,033,222.39/41,685.16
6. Step 6: Final answer
   x = 18,160.74