Finding the Fourth Proportional to 2,622.79, 3,619.41 and 1,443.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.79 : 3,619.41 = 1,443.88 : x
2. Step 2: Convert to fraction form
   2,622.79/3,619.41 = 1,443.88/x
3. Step 3: Cross multiply
   2,622.79x = 3,619.41 × 1,443.88
4. Step 4: Simplify right side
   2,622.79x = 5,225,993.71
5. Step 5: Solve for x
   x = 5,225,993.71/2,622.79
6. Step 6: Final answer
   x = 1,992.53