Finding the Fourth Proportional to 12,040.57, 18,062.59 and 3,721.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,040.57 : 18,062.59 = 3,721.32 : x
2. Step 2: Convert to fraction form
   12,040.57/18,062.59 = 3,721.32/x
3. Step 3: Cross multiply
   12,040.57x = 18,062.59 × 3,721.32
4. Step 4: Simplify right side
   12,040.57x = 67,216,621.68
5. Step 5: Solve for x
   x = 67,216,621.68/12,040.57
6. Step 6: Final answer
   x = 5,582.51