Finding the Fourth Proportional to 2,016.92, 2,782.17 and 1,177.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.92 : 2,782.17 = 1,177.51 : x
2. Step 2: Convert to fraction form
   2,016.92/2,782.17 = 1,177.51/x
3. Step 3: Cross multiply
   2,016.92x = 2,782.17 × 1,177.51
4. Step 4: Simplify right side
   2,016.92x = 3,276,026.04
5. Step 5: Solve for x
   x = 3,276,026.04/2,016.92
6. Step 6: Final answer
   x = 1,624.28