Finding the Fourth Proportional to 2,014.56, 2,780.18 and 1,118.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.56 : 2,780.18 = 1,118.28 : x
2. Step 2: Convert to fraction form
   2,014.56/2,780.18 = 1,118.28/x
3. Step 3: Cross multiply
   2,014.56x = 2,780.18 × 1,118.28
4. Step 4: Simplify right side
   2,014.56x = 3,109,019.69
5. Step 5: Solve for x
   x = 3,109,019.69/2,014.56
6. Step 6: Final answer
   x = 1,543.27