Finding the Fourth Proportional to 2,626.63, 3,940.61 and 983.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.63 : 3,940.61 = 983.18 : x
2. Step 2: Convert to fraction form
   2,626.63/3,940.61 = 983.18/x
3. Step 3: Cross multiply
   2,626.63x = 3,940.61 × 983.18
4. Step 4: Simplify right side
   2,626.63x = 3,874,333.88
5. Step 5: Solve for x
   x = 3,874,333.88/2,626.63
6. Step 6: Final answer
   x = 1,475.02