Finding the Fourth Proportional to 2,016.81, 2,783.21 and 1,132.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.81 : 2,783.21 = 1,132.64 : x
2. Step 2: Convert to fraction form
   2,016.81/2,783.21 = 1,132.64/x
3. Step 3: Cross multiply
   2,016.81x = 2,783.21 × 1,132.64
4. Step 4: Simplify right side
   2,016.81x = 3,152,355.40
5. Step 5: Solve for x
   x = 3,152,355.40/2,016.81
6. Step 6: Final answer
   x = 1,563.04