Finding the Fourth Proportional to 2,015.56, 2,781.56 and 1,119.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.56 : 2,781.56 = 1,119.28 : x
2. Step 2: Convert to fraction form
   2,015.56/2,781.56 = 1,119.28/x
3. Step 3: Cross multiply
   2,015.56x = 2,781.56 × 1,119.28
4. Step 4: Simplify right side
   2,015.56x = 3,113,344.48
5. Step 5: Solve for x
   x = 3,113,344.48/2,015.56
6. Step 6: Final answer
   x = 1,544.65