Finding the Fourth Proportional to 2,003.42, 2,764.78 and 1,119.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.42 : 2,764.78 = 1,119.20 : x
2. Step 2: Convert to fraction form
   2,003.42/2,764.78 = 1,119.20/x
3. Step 3: Cross multiply
   2,003.42x = 2,764.78 × 1,119.20
4. Step 4: Simplify right side
   2,003.42x = 3,094,341.78
5. Step 5: Solve for x
   x = 3,094,341.78/2,003.42
6. Step 6: Final answer
   x = 1,544.53