Finding the Fourth Proportional to 2,146.43, 3,215.02 and 1,449.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.43 : 3,215.02 = 1,449.27 : x
2. Step 2: Convert to fraction form
   2,146.43/3,215.02 = 1,449.27/x
3. Step 3: Cross multiply
   2,146.43x = 3,215.02 × 1,449.27
4. Step 4: Simplify right side
   2,146.43x = 4,659,428.41
5. Step 5: Solve for x
   x = 4,659,428.41/2,146.43
6. Step 6: Final answer
   x = 2,170.78