Finding the Fourth Proportional to 2,760.72, 3,807.24 and 2,340.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.72 : 3,807.24 = 2,340.60 : x
2. Step 2: Convert to fraction form
   2,760.72/3,807.24 = 2,340.60/x
3. Step 3: Cross multiply
   2,760.72x = 3,807.24 × 2,340.60
4. Step 4: Simplify right side
   2,760.72x = 8,911,225.94
5. Step 5: Solve for x
   x = 8,911,225.94/2,760.72
6. Step 6: Final answer
   x = 3,227.86