Finding the Fourth Proportional to 8,309.50, 12,453.86 and 4,150.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,309.50 : 12,453.86 = 4,150.67 : x
2. Step 2: Convert to fraction form
   8,309.50/12,453.86 = 4,150.67/x
3. Step 3: Cross multiply
   8,309.50x = 12,453.86 × 4,150.67
4. Step 4: Simplify right side
   8,309.50x = 51,691,887.09
5. Step 5: Solve for x
   x = 51,691,887.09/8,309.50
6. Step 6: Final answer
   x = 6,220.82