Finding the Fourth Proportional to 41,724.96, 62,587.56 and 12,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,724.96 : 62,587.56 = 12,143.50 : x
2. Step 2: Convert to fraction form
   41,724.96/62,587.56 = 12,143.50/x
3. Step 3: Cross multiply
   41,724.96x = 62,587.56 × 12,143.50
4. Step 4: Simplify right side
   41,724.96x = 760,032,034.86
5. Step 5: Solve for x
   x = 760,032,034.86/41,724.96
6. Step 6: Final answer
   x = 18,215.28