Finding the Fourth Proportional to 2,606.75, 3,909.17 and 757.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.75 : 3,909.17 = 757.37 : x
2. Step 2: Convert to fraction form
   2,606.75/3,909.17 = 757.37/x
3. Step 3: Cross multiply
   2,606.75x = 3,909.17 × 757.37
4. Step 4: Simplify right side
   2,606.75x = 2,960,670.43
5. Step 5: Solve for x
   x = 2,960,670.43/2,606.75
6. Step 6: Final answer
   x = 1,135.77