Finding the Fourth Proportional to 2,986.72, 4,109.86 and 2,707.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,986.72 : 4,109.86 = 2,707.27 : x
2. Step 2: Convert to fraction form
   2,986.72/4,109.86 = 2,707.27/x
3. Step 3: Cross multiply
   2,986.72x = 4,109.86 × 2,707.27
4. Step 4: Simplify right side
   2,986.72x = 11,126,500.68
5. Step 5: Solve for x
   x = 11,126,500.68/2,986.72
6. Step 6: Final answer
   x = 3,725.32