Finding the Fourth Proportional to 2,857.16, 3,944.32 and 2,704.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,857.16 : 3,944.32 = 2,704.54 : x
2. Step 2: Convert to fraction form
   2,857.16/3,944.32 = 2,704.54/x
3. Step 3: Cross multiply
   2,857.16x = 3,944.32 × 2,704.54
4. Step 4: Simplify right side
   2,857.16x = 10,667,569.38
5. Step 5: Solve for x
   x = 10,667,569.38/2,857.16
6. Step 6: Final answer
   x = 3,733.63