Finding the Fourth Proportional to 2,009.76, 3,016.56 and 984.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.76 : 3,016.56 = 984.48 : x
2. Step 2: Convert to fraction form
   2,009.76/3,016.56 = 984.48/x
3. Step 3: Cross multiply
   2,009.76x = 3,016.56 × 984.48
4. Step 4: Simplify right side
   2,009.76x = 2,969,742.99
5. Step 5: Solve for x
   x = 2,969,742.99/2,009.76
6. Step 6: Final answer
   x = 1,477.66