Finding the Fourth Proportional to 2,016.27, 2,782.02 and 1,177.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.27 : 2,782.02 = 1,177.11 : x
2. Step 2: Convert to fraction form
   2,016.27/2,782.02 = 1,177.11/x
3. Step 3: Cross multiply
   2,016.27x = 2,782.02 × 1,177.11
4. Step 4: Simplify right side
   2,016.27x = 3,274,743.56
5. Step 5: Solve for x
   x = 3,274,743.56/2,016.27
6. Step 6: Final answer
   x = 1,624.16