Finding the Fourth Proportional to 2,895.57, 3,997.42 and 2,447.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,895.57 : 3,997.42 = 2,447.24 : x
2. Step 2: Convert to fraction form
   2,895.57/3,997.42 = 2,447.24/x
3. Step 3: Cross multiply
   2,895.57x = 3,997.42 × 2,447.24
4. Step 4: Simplify right side
   2,895.57x = 9,782,620.02
5. Step 5: Solve for x
   x = 9,782,620.02/2,895.57
6. Step 6: Final answer
   x = 3,378.48