Finding the Fourth Proportional to 2,626.50, 3,940.43 and 983.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.50 : 3,940.43 = 983.07 : x
2. Step 2: Convert to fraction form
   2,626.50/3,940.43 = 983.07/x
3. Step 3: Cross multiply
   2,626.50x = 3,940.43 × 983.07
4. Step 4: Simplify right side
   2,626.50x = 3,873,713.60
5. Step 5: Solve for x
   x = 3,873,713.60/2,626.50
6. Step 6: Final answer
   x = 1,474.86