Finding the Fourth Proportional to 2,016.30, 2,782.67 and 1,120.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.30 : 2,782.67 = 1,120.22 : x
2. Step 2: Convert to fraction form
   2,016.30/2,782.67 = 1,120.22/x
3. Step 3: Cross multiply
   2,016.30x = 2,782.67 × 1,120.22
4. Step 4: Simplify right side
   2,016.30x = 3,117,188.67
5. Step 5: Solve for x
   x = 3,117,188.67/2,016.30
6. Step 6: Final answer
   x = 1,545.99