Finding the Fourth Proportional to 2,736.94, 3,766.04 and 2,660.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.94 : 3,766.04 = 2,660.39 : x
2. Step 2: Convert to fraction form
   2,736.94/3,766.04 = 2,660.39/x
3. Step 3: Cross multiply
   2,736.94x = 3,766.04 × 2,660.39
4. Step 4: Simplify right side
   2,736.94x = 10,019,131.27
5. Step 5: Solve for x
   x = 10,019,131.27/2,736.94
6. Step 6: Final answer
   x = 3,660.71