Finding the Fourth Proportional to 2,786.27, 3,836.31 and 2,365.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786.27 : 3,836.31 = 2,365.79 : x
2. Step 2: Convert to fraction form
   2,786.27/3,836.31 = 2,365.79/x
3. Step 3: Cross multiply
   2,786.27x = 3,836.31 × 2,365.79
4. Step 4: Simplify right side
   2,786.27x = 9,075,903.83
5. Step 5: Solve for x
   x = 9,075,903.83/2,786.27
6. Step 6: Final answer
   x = 3,257.37