Finding the Fourth Proportional to 2,626.05, 3,936.78 and 982.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.05 : 3,936.78 = 982.61 : x
2. Step 2: Convert to fraction form
   2,626.05/3,936.78 = 982.61/x
3. Step 3: Cross multiply
   2,626.05x = 3,936.78 × 982.61
4. Step 4: Simplify right side
   2,626.05x = 3,868,299.71
5. Step 5: Solve for x
   x = 3,868,299.71/2,626.05
6. Step 6: Final answer
   x = 1,473.05