Finding the Fourth Proportional to 2,451.29, 3,382.82 and 1,443.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.29 : 3,382.82 = 1,443.22 : x
2. Step 2: Convert to fraction form
   2,451.29/3,382.82 = 1,443.22/x
3. Step 3: Cross multiply
   2,451.29x = 3,382.82 × 1,443.22
4. Step 4: Simplify right side
   2,451.29x = 4,882,143.22
5. Step 5: Solve for x
   x = 4,882,143.22/2,451.29
6. Step 6: Final answer
   x = 1,991.67