Finding the Fourth Proportional to 2,620.83, 3,616.92 and 1,441.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.83 : 3,616.92 = 1,441.90 : x
2. Step 2: Convert to fraction form
   2,620.83/3,616.92 = 1,441.90/x
3. Step 3: Cross multiply
   2,620.83x = 3,616.92 × 1,441.90
4. Step 4: Simplify right side
   2,620.83x = 5,215,227.91
5. Step 5: Solve for x
   x = 5,215,227.91/2,620.83
6. Step 6: Final answer
   x = 1,989.92