Finding the Fourth Proportional to 2,622.18, 3,618.68 and 1,443.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.18 : 3,618.68 = 1,443.27 : x
2. Step 2: Convert to fraction form
   2,622.18/3,618.68 = 1,443.27/x
3. Step 3: Cross multiply
   2,622.18x = 3,618.68 × 1,443.27
4. Step 4: Simplify right side
   2,622.18x = 5,222,725.07
5. Step 5: Solve for x
   x = 5,222,725.07/2,622.18
6. Step 6: Final answer
   x = 1,991.75