Finding the Fourth Proportional to 2,003.12, 2,764.24 and 1,118.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.12 : 2,764.24 = 1,118.96 : x
2. Step 2: Convert to fraction form
   2,003.12/2,764.24 = 1,118.96/x
3. Step 3: Cross multiply
   2,003.12x = 2,764.24 × 1,118.96
4. Step 4: Simplify right side
   2,003.12x = 3,093,073.99
5. Step 5: Solve for x
   x = 3,093,073.99/2,003.12
6. Step 6: Final answer
   x = 1,544.13