Finding the Fourth Proportional to 2,650.95, 3,976.56 and 984.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.95 : 3,976.56 = 984.71 : x
2. Step 2: Convert to fraction form
   2,650.95/3,976.56 = 984.71/x
3. Step 3: Cross multiply
   2,650.95x = 3,976.56 × 984.71
4. Step 4: Simplify right side
   2,650.95x = 3,915,738.51
5. Step 5: Solve for x
   x = 3,915,738.51/2,650.95
6. Step 6: Final answer
   x = 1,477.11