Finding the Fourth Proportional to 41,694.72, 62,540.16 and 12,111.88

Step by Step Solution

1. Step 1: Write the proportion equation
   41,694.72 : 62,540.16 = 12,111.88 : x
2. Step 2: Convert to fraction form
   41,694.72/62,540.16 = 12,111.88/x
3. Step 3: Cross multiply
   41,694.72x = 62,540.16 × 12,111.88
4. Step 4: Simplify right side
   41,694.72x = 757,478,913.10
5. Step 5: Solve for x
   x = 757,478,913.10/41,694.72
6. Step 6: Final answer
   x = 18,167.26