Finding the Fourth Proportional to 2,727.94, 3,768.08 and 2,106.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,727.94 : 3,768.08 = 2,106.15 : x
2. Step 2: Convert to fraction form
   2,727.94/3,768.08 = 2,106.15/x
3. Step 3: Cross multiply
   2,727.94x = 3,768.08 × 2,106.15
4. Step 4: Simplify right side
   2,727.94x = 7,936,141.69
5. Step 5: Solve for x
   x = 7,936,141.69/2,727.94
6. Step 6: Final answer
   x = 2,909.21