Finding the Fourth Proportional to 2,329.67, 3,493.76 and 769.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,329.67 : 3,493.76 = 769.31 : x
2. Step 2: Convert to fraction form
   2,329.67/3,493.76 = 769.31/x
3. Step 3: Cross multiply
   2,329.67x = 3,493.76 × 769.31
4. Step 4: Simplify right side
   2,329.67x = 2,687,780.66
5. Step 5: Solve for x
   x = 2,687,780.66/2,329.67
6. Step 6: Final answer
   x = 1,153.72