Finding the Fourth Proportional to 2,003.11, 2,764.28 and 1,118.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.11 : 2,764.28 = 1,118.91 : x
2. Step 2: Convert to fraction form
   2,003.11/2,764.28 = 1,118.91/x
3. Step 3: Cross multiply
   2,003.11x = 2,764.28 × 1,118.91
4. Step 4: Simplify right side
   2,003.11x = 3,092,980.53
5. Step 5: Solve for x
   x = 3,092,980.53/2,003.11
6. Step 6: Final answer
   x = 1,544.09