Finding the Fourth Proportional to 3,726.20, 5,580.72 and 2,162.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,726.20 : 5,580.72 = 2,162.33 : x
2. Step 2: Convert to fraction form
   3,726.20/5,580.72 = 2,162.33/x
3. Step 3: Cross multiply
   3,726.20x = 5,580.72 × 2,162.33
4. Step 4: Simplify right side
   3,726.20x = 12,067,330.37
5. Step 5: Solve for x
   x = 12,067,330.37/3,726.20
6. Step 6: Final answer
   x = 3,238.51