Finding the Fourth Proportional to 2,760.47, 3,800.78 and 2,436.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.47 : 3,800.78 = 2,436.77 : x
2. Step 2: Convert to fraction form
   2,760.47/3,800.78 = 2,436.77/x
3. Step 3: Cross multiply
   2,760.47x = 3,800.78 × 2,436.77
4. Step 4: Simplify right side
   2,760.47x = 9,261,626.68
5. Step 5: Solve for x
   x = 9,261,626.68/2,760.47
6. Step 6: Final answer
   x = 3,355.09