Finding the Fourth Proportional to 2,308.62, 3,462.69 and 769.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.62 : 3,462.69 = 769.74 : x
2. Step 2: Convert to fraction form
   2,308.62/3,462.69 = 769.74/x
3. Step 3: Cross multiply
   2,308.62x = 3,462.69 × 769.74
4. Step 4: Simplify right side
   2,308.62x = 2,665,371.00
5. Step 5: Solve for x
   x = 2,665,371.00/2,308.62
6. Step 6: Final answer
   x = 1,154.53