Finding the Fourth Proportional to 2,728.96, 3,741.40 and 2,679.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.96 : 3,741.40 = 2,679.73 : x
2. Step 2: Convert to fraction form
   2,728.96/3,741.40 = 2,679.73/x
3. Step 3: Cross multiply
   2,728.96x = 3,741.40 × 2,679.73
4. Step 4: Simplify right side
   2,728.96x = 10,025,941.82
5. Step 5: Solve for x
   x = 10,025,941.82/2,728.96
6. Step 6: Final answer
   x = 3,673.91