Finding the Fourth Proportional to 2,796.27, 3,856.76 and 2,672.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.27 : 3,856.76 = 2,672.19 : x
2. Step 2: Convert to fraction form
   2,796.27/3,856.76 = 2,672.19/x
3. Step 3: Cross multiply
   2,796.27x = 3,856.76 × 2,672.19
4. Step 4: Simplify right side
   2,796.27x = 10,305,982.14
5. Step 5: Solve for x
   x = 10,305,982.14/2,796.27
6. Step 6: Final answer
   x = 3,685.62