Finding the Fourth Proportional to 2,401.38, 3,601.94 and 757.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.38 : 3,601.94 = 757.90 : x
2. Step 2: Convert to fraction form
   2,401.38/3,601.94 = 757.90/x
3. Step 3: Cross multiply
   2,401.38x = 3,601.94 × 757.90
4. Step 4: Simplify right side
   2,401.38x = 2,729,910.33
5. Step 5: Solve for x
   x = 2,729,910.33/2,401.38
6. Step 6: Final answer
   x = 1,136.81