Finding the Fourth Proportional to 2,622.43, 3,619.02 and 1,443.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.43 : 3,619.02 = 1,443.52 : x
2. Step 2: Convert to fraction form
   2,622.43/3,619.02 = 1,443.52/x
3. Step 3: Cross multiply
   2,622.43x = 3,619.02 × 1,443.52
4. Step 4: Simplify right side
   2,622.43x = 5,224,127.75
5. Step 5: Solve for x
   x = 5,224,127.75/2,622.43
6. Step 6: Final answer
   x = 1,992.09