Finding the Fourth Proportional to 2,683.20, 4,022.96 and 1,449.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,683.20 : 4,022.96 = 1,449.84 : x
2. Step 2: Convert to fraction form
   2,683.20/4,022.96 = 1,449.84/x
3. Step 3: Cross multiply
   2,683.20x = 4,022.96 × 1,449.84
4. Step 4: Simplify right side
   2,683.20x = 5,832,648.33
5. Step 5: Solve for x
   x = 5,832,648.33/2,683.20
6. Step 6: Final answer
   x = 2,173.77