Finding the Fourth Proportional to 2,626.71, 3,941.61 and 983.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.71 : 3,941.61 = 983.40 : x
2. Step 2: Convert to fraction form
   2,626.71/3,941.61 = 983.40/x
3. Step 3: Cross multiply
   2,626.71x = 3,941.61 × 983.40
4. Step 4: Simplify right side
   2,626.71x = 3,876,179.27
5. Step 5: Solve for x
   x = 3,876,179.27/2,626.71
6. Step 6: Final answer
   x = 1,475.68