Finding the Fourth Proportional to 2,016.32, 2,782.73 and 1,230.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.32 : 2,782.73 = 1,230.83 : x
2. Step 2: Convert to fraction form
   2,016.32/2,782.73 = 1,230.83/x
3. Step 3: Cross multiply
   2,016.32x = 2,782.73 × 1,230.83
4. Step 4: Simplify right side
   2,016.32x = 3,425,067.57
5. Step 5: Solve for x
   x = 3,425,067.57/2,016.32
6. Step 6: Final answer
   x = 1,698.67