Finding the Fourth Proportional to 3,896.51, 5,377.31 and 2,404.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,896.51 : 5,377.31 = 2,404.39 : x
2. Step 2: Convert to fraction form
   3,896.51/5,377.31 = 2,404.39/x
3. Step 3: Cross multiply
   3,896.51x = 5,377.31 × 2,404.39
4. Step 4: Simplify right side
   3,896.51x = 12,929,150.39
5. Step 5: Solve for x
   x = 12,929,150.39/3,896.51
6. Step 6: Final answer
   x = 3,318.14