Finding the Fourth Proportional to 2,013.24, 2,778.56 and 1,227.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.24 : 2,778.56 = 1,227.52 : x
2. Step 2: Convert to fraction form
   2,013.24/2,778.56 = 1,227.52/x
3. Step 3: Cross multiply
   2,013.24x = 2,778.56 × 1,227.52
4. Step 4: Simplify right side
   2,013.24x = 3,410,737.97
5. Step 5: Solve for x
   x = 3,410,737.97/2,013.24
6. Step 6: Final answer
   x = 1,694.15