Finding the Fourth Proportional to 2,620.82, 3,616.76 and 1,441.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.82 : 3,616.76 = 1,441.94 : x
2. Step 2: Convert to fraction form
   2,620.82/3,616.76 = 1,441.94/x
3. Step 3: Cross multiply
   2,620.82x = 3,616.76 × 1,441.94
4. Step 4: Simplify right side
   2,620.82x = 5,215,136.44
5. Step 5: Solve for x
   x = 5,215,136.44/2,620.82
6. Step 6: Final answer
   x = 1,989.89