Finding the Fourth Proportional to 3,896.72, 5,375.60 and 2,832.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,896.72 : 5,375.60 = 2,832.83 : x
2. Step 2: Convert to fraction form
   3,896.72/5,375.60 = 2,832.83/x
3. Step 3: Cross multiply
   3,896.72x = 5,375.60 × 2,832.83
4. Step 4: Simplify right side
   3,896.72x = 15,228,119.91
5. Step 5: Solve for x
   x = 15,228,119.91/3,896.72
6. Step 6: Final answer
   x = 3,907.94