Finding the Fourth Proportional to 3,896.31, 5,377.33 and 2,404.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,896.31 : 5,377.33 = 2,404.19 : x
2. Step 2: Convert to fraction form
   3,896.31/5,377.33 = 2,404.19/x
3. Step 3: Cross multiply
   3,896.31x = 5,377.33 × 2,404.19
4. Step 4: Simplify right side
   3,896.31x = 12,928,109.21
5. Step 5: Solve for x
   x = 12,928,109.21/3,896.31
6. Step 6: Final answer
   x = 3,318.04