Finding the Fourth Proportional to 2,622.29, 3,618.81 and 1,443.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.29 : 3,618.81 = 1,443.47 : x
2. Step 2: Convert to fraction form
   2,622.29/3,618.81 = 1,443.47/x
3. Step 3: Cross multiply
   2,622.29x = 3,618.81 × 1,443.47
4. Step 4: Simplify right side
   2,622.29x = 5,223,625.58
5. Step 5: Solve for x
   x = 5,223,625.58/2,622.29
6. Step 6: Final answer
   x = 1,992.01