Finding the Fourth Proportional to 2,683.40, 4,016.46 and 1,383.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,683.40 : 4,016.46 = 1,383.08 : x
2. Step 2: Convert to fraction form
   2,683.40/4,016.46 = 1,383.08/x
3. Step 3: Cross multiply
   2,683.40x = 4,016.46 × 1,383.08
4. Step 4: Simplify right side
   2,683.40x = 5,555,085.50
5. Step 5: Solve for x
   x = 5,555,085.50/2,683.40
6. Step 6: Final answer
   x = 2,070.17