Finding the Fourth Proportional to 2,003.31, 2,764.58 and 1,119.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.31 : 2,764.58 = 1,119.20 : x
2. Step 2: Convert to fraction form
   2,003.31/2,764.58 = 1,119.20/x
3. Step 3: Cross multiply
   2,003.31x = 2,764.58 × 1,119.20
4. Step 4: Simplify right side
   2,003.31x = 3,094,098.52
5. Step 5: Solve for x
   x = 3,094,098.52/2,003.31
6. Step 6: Final answer
   x = 1,544.49