Finding the Fourth Proportional to 6,887.96, 10,327.83 and 2,728.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,887.96 : 10,327.83 = 2,728.56 : x
2. Step 2: Convert to fraction form
   6,887.96/10,327.83 = 2,728.56/x
3. Step 3: Cross multiply
   6,887.96x = 10,327.83 × 2,728.56
4. Step 4: Simplify right side
   6,887.96x = 28,180,103.82
5. Step 5: Solve for x
   x = 28,180,103.82/6,887.96
6. Step 6: Final answer
   x = 4,091.21