Finding the Fourth Proportional to 2,014.36, 2,779.96 and 1,118.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.36 : 2,779.96 = 1,118.15 : x
2. Step 2: Convert to fraction form
   2,014.36/2,779.96 = 1,118.15/x
3. Step 3: Cross multiply
   2,014.36x = 2,779.96 × 1,118.15
4. Step 4: Simplify right side
   2,014.36x = 3,108,392.78
5. Step 5: Solve for x
   x = 3,108,392.78/2,014.36
6. Step 6: Final answer
   x = 1,543.12