Finding the Fourth Proportional to 8,308.49, 12,465.09 and 3,381.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.49 : 12,465.09 = 3,381.67 : x
2. Step 2: Convert to fraction form
   8,308.49/12,465.09 = 3,381.67/x
3. Step 3: Cross multiply
   8,308.49x = 12,465.09 × 3,381.67
4. Step 4: Simplify right side
   8,308.49x = 42,152,766.37
5. Step 5: Solve for x
   x = 42,152,766.37/8,308.49
6. Step 6: Final answer
   x = 5,073.46