Finding the Fourth Proportional to 12,055.37, 18,082.85 and 3,290.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,055.37 : 18,082.85 = 3,290.24 : x
2. Step 2: Convert to fraction form
   12,055.37/18,082.85 = 3,290.24/x
3. Step 3: Cross multiply
   12,055.37x = 18,082.85 × 3,290.24
4. Step 4: Simplify right side
   12,055.37x = 59,496,945.14
5. Step 5: Solve for x
   x = 59,496,945.14/12,055.37
6. Step 6: Final answer
   x = 4,935.31