Finding the Fourth Proportional to 1,443.91, 2,162.85 and 1,340.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.91 : 2,162.85 = 1,340.14 : x
2. Step 2: Convert to fraction form
   1,443.91/2,162.85 = 1,340.14/x
3. Step 3: Cross multiply
   1,443.91x = 2,162.85 × 1,340.14
4. Step 4: Simplify right side
   1,443.91x = 2,898,521.80
5. Step 5: Solve for x
   x = 2,898,521.80/1,443.91
6. Step 6: Final answer
   x = 2,007.41