Finding the Fourth Proportional to 2,606.01, 3,909.71 and 757.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.01 : 3,909.71 = 757.30 : x
2. Step 2: Convert to fraction form
   2,606.01/3,909.71 = 757.30/x
3. Step 3: Cross multiply
   2,606.01x = 3,909.71 × 757.30
4. Step 4: Simplify right side
   2,606.01x = 2,960,819.60
5. Step 5: Solve for x
   x = 2,960,819.60/2,606.01
6. Step 6: Final answer
   x = 1,136.15