Finding the Fourth Proportional to 2,016.88, 2,783.28 and 1,132.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.88 : 2,783.28 = 1,132.68 : x
2. Step 2: Convert to fraction form
   2,016.88/2,783.28 = 1,132.68/x
3. Step 3: Cross multiply
   2,016.88x = 2,783.28 × 1,132.68
4. Step 4: Simplify right side
   2,016.88x = 3,152,565.59
5. Step 5: Solve for x
   x = 3,152,565.59/2,016.88
6. Step 6: Final answer
   x = 1,563.09