Finding the Fourth Proportional to 2,626.79, 3,940.27 and 983.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.79 : 3,940.27 = 983.03 : x
2. Step 2: Convert to fraction form
   2,626.79/3,940.27 = 983.03/x
3. Step 3: Cross multiply
   2,626.79x = 3,940.27 × 983.03
4. Step 4: Simplify right side
   2,626.79x = 3,873,403.62
5. Step 5: Solve for x
   x = 3,873,403.62/2,626.79
6. Step 6: Final answer
   x = 1,474.58