Finding the Fourth Proportional to 8,234.37, 12,329.55 and 4,942.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,234.37 : 12,329.55 = 4,942.89 : x
2. Step 2: Convert to fraction form
   8,234.37/12,329.55 = 4,942.89/x
3. Step 3: Cross multiply
   8,234.37x = 12,329.55 × 4,942.89
4. Step 4: Simplify right side
   8,234.37x = 60,943,609.40
5. Step 5: Solve for x
   x = 60,943,609.40/8,234.37
6. Step 6: Final answer
   x = 7,401.13