Finding the Fourth Proportional to 2,760.72, 3,815.24 and 2,262.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.72 : 3,815.24 = 2,262.56 : x
2. Step 2: Convert to fraction form
   2,760.72/3,815.24 = 2,262.56/x
3. Step 3: Cross multiply
   2,760.72x = 3,815.24 × 2,262.56
4. Step 4: Simplify right side
   2,760.72x = 8,632,209.41
5. Step 5: Solve for x
   x = 8,632,209.41/2,760.72
6. Step 6: Final answer
   x = 3,126.80