Finding the Fourth Proportional to 2,622.82, 3,619.49 and 1,443.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.82 : 3,619.49 = 1,443.88 : x
2. Step 2: Convert to fraction form
   2,622.82/3,619.49 = 1,443.88/x
3. Step 3: Cross multiply
   2,622.82x = 3,619.49 × 1,443.88
4. Step 4: Simplify right side
   2,622.82x = 5,226,083.90
5. Step 5: Solve for x
   x = 5,226,083.90/2,622.82
6. Step 6: Final answer
   x = 1,992.55