Finding the Fourth Proportional to 2,015.37, 2,781.18 and 1,119.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.37 : 2,781.18 = 1,119.17 : x
2. Step 2: Convert to fraction form
   2,015.37/2,781.18 = 1,119.17/x
3. Step 3: Cross multiply
   2,015.37x = 2,781.18 × 1,119.17
4. Step 4: Simplify right side
   2,015.37x = 3,112,599.31
5. Step 5: Solve for x
   x = 3,112,599.31/2,015.37
6. Step 6: Final answer
   x = 1,544.43