Finding the Fourth Proportional to 12,123.49, 18,183.21 and 3,359.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,123.49 : 18,183.21 = 3,359.29 : x
2. Step 2: Convert to fraction form
   12,123.49/18,183.21 = 3,359.29/x
3. Step 3: Cross multiply
   12,123.49x = 18,183.21 × 3,359.29
4. Step 4: Simplify right side
   12,123.49x = 61,082,675.52
5. Step 5: Solve for x
   x = 61,082,675.52/12,123.49
6. Step 6: Final answer
   x = 5,038.37