Finding the Fourth Proportional to 2,601.38, 3,896.18 and 2,012.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.38 : 3,896.18 = 2,012.24 : x
2. Step 2: Convert to fraction form
   2,601.38/3,896.18 = 2,012.24/x
3. Step 3: Cross multiply
   2,601.38x = 3,896.18 × 2,012.24
4. Step 4: Simplify right side
   2,601.38x = 7,840,049.24
5. Step 5: Solve for x
   x = 7,840,049.24/2,601.38
6. Step 6: Final answer
   x = 3,013.80