Finding the Fourth Proportional to 2,738.49, 4,107.96 and 983.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.49 : 4,107.96 = 983.31 : x
2. Step 2: Convert to fraction form
   2,738.49/4,107.96 = 983.31/x
3. Step 3: Cross multiply
   2,738.49x = 4,107.96 × 983.31
4. Step 4: Simplify right side
   2,738.49x = 4,039,398.15
5. Step 5: Solve for x
   x = 4,039,398.15/2,738.49
6. Step 6: Final answer
   x = 1,475.05