Finding the Fourth Proportional to 2,079.36, 3,114.72 and 984.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.36 : 3,114.72 = 984.60 : x
2. Step 2: Convert to fraction form
   2,079.36/3,114.72 = 984.60/x
3. Step 3: Cross multiply
   2,079.36x = 3,114.72 × 984.60
4. Step 4: Simplify right side
   2,079.36x = 3,066,753.31
5. Step 5: Solve for x
   x = 3,066,753.31/2,079.36
6. Step 6: Final answer
   x = 1,474.85