Finding the Fourth Proportional to 2,728.71, 3,741.05 and 2,679.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.71 : 3,741.05 = 2,679.48 : x
2. Step 2: Convert to fraction form
   2,728.71/3,741.05 = 2,679.48/x
3. Step 3: Cross multiply
   2,728.71x = 3,741.05 × 2,679.48
4. Step 4: Simplify right side
   2,728.71x = 10,024,075.35
5. Step 5: Solve for x
   x = 10,024,075.35/2,728.71
6. Step 6: Final answer
   x = 3,673.56