Finding the Fourth Proportional to 2,401.06, 3,601.61 and 757.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.06 : 3,601.61 = 757.74 : x
2. Step 2: Convert to fraction form
   2,401.06/3,601.61 = 757.74/x
3. Step 3: Cross multiply
   2,401.06x = 3,601.61 × 757.74
4. Step 4: Simplify right side
   2,401.06x = 2,729,083.96
5. Step 5: Solve for x
   x = 2,729,083.96/2,401.06
6. Step 6: Final answer
   x = 1,136.62