Finding the Fourth Proportional to 2,620.77, 3,616.70 and 1,441.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.77 : 3,616.70 = 1,441.83 : x
2. Step 2: Convert to fraction form
   2,620.77/3,616.70 = 1,441.83/x
3. Step 3: Cross multiply
   2,620.77x = 3,616.70 × 1,441.83
4. Step 4: Simplify right side
   2,620.77x = 5,214,666.56
5. Step 5: Solve for x
   x = 5,214,666.56/2,620.77
6. Step 6: Final answer
   x = 1,989.75