Finding the Fourth Proportional to 2,080.06, 3,121.42 and 984.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.06 : 3,121.42 = 984.48 : x
2. Step 2: Convert to fraction form
   2,080.06/3,121.42 = 984.48/x
3. Step 3: Cross multiply
   2,080.06x = 3,121.42 × 984.48
4. Step 4: Simplify right side
   2,080.06x = 3,072,975.56
5. Step 5: Solve for x
   x = 3,072,975.56/2,080.06
6. Step 6: Final answer
   x = 1,477.35