Finding the Fourth Proportional to 8,327.23, 12,435.90 and 7,408.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,327.23 : 12,435.90 = 7,408.69 : x
2. Step 2: Convert to fraction form
   8,327.23/12,435.90 = 7,408.69/x
3. Step 3: Cross multiply
   8,327.23x = 12,435.90 × 7,408.69
4. Step 4: Simplify right side
   8,327.23x = 92,133,766.59
5. Step 5: Solve for x
   x = 92,133,766.59/8,327.23
6. Step 6: Final answer
   x = 11,064.15