Finding the Fourth Proportional to 8,123.56, 12,183.58 and 4,744.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123.56 : 12,183.58 = 4,744.09 : x
2. Step 2: Convert to fraction form
   8,123.56/12,183.58 = 4,744.09/x
3. Step 3: Cross multiply
   8,123.56x = 12,183.58 × 4,744.09
4. Step 4: Simplify right side
   8,123.56x = 57,800,021.20
5. Step 5: Solve for x
   x = 57,800,021.20/8,123.56
6. Step 6: Final answer
   x = 7,115.11