Finding the Fourth Proportional to 2,003.80, 2,765.12 and 1,119.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.80 : 2,765.12 = 1,119.58 : x
2. Step 2: Convert to fraction form
   2,003.80/2,765.12 = 1,119.58/x
3. Step 3: Cross multiply
   2,003.80x = 2,765.12 × 1,119.58
4. Step 4: Simplify right side
   2,003.80x = 3,095,773.05
5. Step 5: Solve for x
   x = 3,095,773.05/2,003.80
6. Step 6: Final answer
   x = 1,544.95