Finding the Fourth Proportional to 12,042.52, 18,064.25 and 3,721.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,042.52 : 18,064.25 = 3,721.79 : x
2. Step 2: Convert to fraction form
   12,042.52/18,064.25 = 3,721.79/x
3. Step 3: Cross multiply
   12,042.52x = 18,064.25 × 3,721.79
4. Step 4: Simplify right side
   12,042.52x = 67,231,345.01
5. Step 5: Solve for x
   x = 67,231,345.01/12,042.52
6. Step 6: Final answer
   x = 5,582.83