Finding the Fourth Proportional to 2,949.69, 4,424.78 and 758.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,949.69 : 4,424.78 = 758.42 : x
2. Step 2: Convert to fraction form
   2,949.69/4,424.78 = 758.42/x
3. Step 3: Cross multiply
   2,949.69x = 4,424.78 × 758.42
4. Step 4: Simplify right side
   2,949.69x = 3,355,841.65
5. Step 5: Solve for x
   x = 3,355,841.65/2,949.69
6. Step 6: Final answer
   x = 1,137.69