Finding the Fourth Proportional to 2,080.27, 3,120.71 and 984.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.27 : 3,120.71 = 984.54 : x
2. Step 2: Convert to fraction form
   2,080.27/3,120.71 = 984.54/x
3. Step 3: Cross multiply
   2,080.27x = 3,120.71 × 984.54
4. Step 4: Simplify right side
   2,080.27x = 3,072,463.82
5. Step 5: Solve for x
   x = 3,072,463.82/2,080.27
6. Step 6: Final answer
   x = 1,476.95