Finding the Fourth Proportional to 2,016.73, 2,781.75 and 1,219.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.73 : 2,781.75 = 1,219.53 : x
2. Step 2: Convert to fraction form
   2,016.73/2,781.75 = 1,219.53/x
3. Step 3: Cross multiply
   2,016.73x = 2,781.75 × 1,219.53
4. Step 4: Simplify right side
   2,016.73x = 3,392,427.58
5. Step 5: Solve for x
   x = 3,392,427.58/2,016.73
6. Step 6: Final answer
   x = 1,682.14