Finding the Fourth Proportional to 2,016.87, 2,783.25 and 1,120.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.87 : 2,783.25 = 1,120.68 : x
2. Step 2: Convert to fraction form
   2,016.87/2,783.25 = 1,120.68/x
3. Step 3: Cross multiply
   2,016.87x = 2,783.25 × 1,120.68
4. Step 4: Simplify right side
   2,016.87x = 3,119,132.61
5. Step 5: Solve for x
   x = 3,119,132.61/2,016.87
6. Step 6: Final answer
   x = 1,546.52