Finding the Fourth Proportional to 2,003.12, 2,764.14 and 1,118.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.12 : 2,764.14 = 1,118.87 : x
2. Step 2: Convert to fraction form
   2,003.12/2,764.14 = 1,118.87/x
3. Step 3: Cross multiply
   2,003.12x = 2,764.14 × 1,118.87
4. Step 4: Simplify right side
   2,003.12x = 3,092,699.50
5. Step 5: Solve for x
   x = 3,092,699.50/2,003.12
6. Step 6: Final answer
   x = 1,543.95