Finding the Fourth Proportional to 2,281.40, 3,150.20 and 1,443.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.40 : 3,150.20 = 1,443.46 : x
2. Step 2: Convert to fraction form
   2,281.40/3,150.20 = 1,443.46/x
3. Step 3: Cross multiply
   2,281.40x = 3,150.20 × 1,443.46
4. Step 4: Simplify right side
   2,281.40x = 4,547,187.69
5. Step 5: Solve for x
   x = 4,547,187.69/2,281.40
6. Step 6: Final answer
   x = 1,993.16