Finding the Fourth Proportional to 2,622.70, 3,619.33 and 1,443.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.70 : 3,619.33 = 1,443.84 : x
2. Step 2: Convert to fraction form
   2,622.70/3,619.33 = 1,443.84/x
3. Step 3: Cross multiply
   2,622.70x = 3,619.33 × 1,443.84
4. Step 4: Simplify right side
   2,622.70x = 5,225,733.43
5. Step 5: Solve for x
   x = 5,225,733.43/2,622.70
6. Step 6: Final answer
   x = 1,992.50