Finding the Fourth Proportional to 8,315.24, 12,472.83 and 3,383.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,315.24 : 12,472.83 = 3,383.71 : x
2. Step 2: Convert to fraction form
   8,315.24/12,472.83 = 3,383.71/x
3. Step 3: Cross multiply
   8,315.24x = 12,472.83 × 3,383.71
4. Step 4: Simplify right side
   8,315.24x = 42,204,408.42
5. Step 5: Solve for x
   x = 42,204,408.42/8,315.24
6. Step 6: Final answer
   x = 5,075.55