Finding the Fourth Proportional to 2,016.44, 2,783.18 and 1,427.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.44 : 2,783.18 = 1,427.16 : x
2. Step 2: Convert to fraction form
   2,016.44/2,783.18 = 1,427.16/x
3. Step 3: Cross multiply
   2,016.44x = 2,783.18 × 1,427.16
4. Step 4: Simplify right side
   2,016.44x = 3,972,043.17
5. Step 5: Solve for x
   x = 3,972,043.17/2,016.44
6. Step 6: Final answer
   x = 1,969.83