Finding the Fourth Proportional to 2,738.36, 4,107.72 and 983.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.36 : 4,107.72 = 983.72 : x
2. Step 2: Convert to fraction form
   2,738.36/4,107.72 = 983.72/x
3. Step 3: Cross multiply
   2,738.36x = 4,107.72 × 983.72
4. Step 4: Simplify right side
   2,738.36x = 4,040,846.32
5. Step 5: Solve for x
   x = 4,040,846.32/2,738.36
6. Step 6: Final answer
   x = 1,475.64