Finding the Fourth Proportional to 3,896.33, 5,377.05 and 2,404.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,896.33 : 5,377.05 = 2,404.31 : x
2. Step 2: Convert to fraction form
   3,896.33/5,377.05 = 2,404.31/x
3. Step 3: Cross multiply
   3,896.33x = 5,377.05 × 2,404.31
4. Step 4: Simplify right side
   3,896.33x = 12,928,068.20
5. Step 5: Solve for x
   x = 12,928,068.20/3,896.33
6. Step 6: Final answer
   x = 3,318.02