Finding the Fourth Proportional to 2,622.34, 3,618.84 and 1,443.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.34 : 3,618.84 = 1,443.49 : x
2. Step 2: Convert to fraction form
   2,622.34/3,618.84 = 1,443.49/x
3. Step 3: Cross multiply
   2,622.34x = 3,618.84 × 1,443.49
4. Step 4: Simplify right side
   2,622.34x = 5,223,759.35
5. Step 5: Solve for x
   x = 5,223,759.35/2,622.34
6. Step 6: Final answer
   x = 1,992.02