Finding the Fourth Proportional to 8,259.36, 12,384.78 and 3,327.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,259.36 : 12,384.78 = 3,327.67 : x
2. Step 2: Convert to fraction form
   8,259.36/12,384.78 = 3,327.67/x
3. Step 3: Cross multiply
   8,259.36x = 12,384.78 × 3,327.67
4. Step 4: Simplify right side
   8,259.36x = 41,212,460.86
5. Step 5: Solve for x
   x = 41,212,460.86/8,259.36
6. Step 6: Final answer
   x = 4,989.79