Finding the Fourth Proportional to 2,016.42, 2,782.79 and 1,120.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.42 : 2,782.79 = 1,120.29 : x
2. Step 2: Convert to fraction form
   2,016.42/2,782.79 = 1,120.29/x
3. Step 3: Cross multiply
   2,016.42x = 2,782.79 × 1,120.29
4. Step 4: Simplify right side
   2,016.42x = 3,117,534.61
5. Step 5: Solve for x
   x = 3,117,534.61/2,016.42
6. Step 6: Final answer
   x = 1,546.07