Finding the Fourth Proportional to 2,857.74, 3,963.71 and 2,741.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,857.74 : 3,963.71 = 2,741.10 : x
2. Step 2: Convert to fraction form
   2,857.74/3,963.71 = 2,741.10/x
3. Step 3: Cross multiply
   2,857.74x = 3,963.71 × 2,741.10
4. Step 4: Simplify right side
   2,857.74x = 10,864,911.78
5. Step 5: Solve for x
   x = 10,864,911.78/2,857.74
6. Step 6: Final answer
   x = 3,801.92