Finding the Fourth Proportional to 8,239.89, 12,350.10 and 3,039.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,239.89 : 12,350.10 = 3,039.69 : x
2. Step 2: Convert to fraction form
   8,239.89/12,350.10 = 3,039.69/x
3. Step 3: Cross multiply
   8,239.89x = 12,350.10 × 3,039.69
4. Step 4: Simplify right side
   8,239.89x = 37,540,475.47
5. Step 5: Solve for x
   x = 37,540,475.47/8,239.89
6. Step 6: Final answer
   x = 4,555.94