Finding the Fourth Proportional to 2,620.46, 3,616.22 and 1,441.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.46 : 3,616.22 = 1,441.52 : x
2. Step 2: Convert to fraction form
   2,620.46/3,616.22 = 1,441.52/x
3. Step 3: Cross multiply
   2,620.46x = 3,616.22 × 1,441.52
4. Step 4: Simplify right side
   2,620.46x = 5,212,853.45
5. Step 5: Solve for x
   x = 5,212,853.45/2,620.46
6. Step 6: Final answer
   x = 1,989.29