Finding the Fourth Proportional to 2,014.27, 2,778.86 and 1,174.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.27 : 2,778.86 = 1,174.55 : x
2. Step 2: Convert to fraction form
   2,014.27/2,778.86 = 1,174.55/x
3. Step 3: Cross multiply
   2,014.27x = 2,778.86 × 1,174.55
4. Step 4: Simplify right side
   2,014.27x = 3,263,908.08
5. Step 5: Solve for x
   x = 3,263,908.08/2,014.27
6. Step 6: Final answer
   x = 1,620.39