Finding the Fourth Proportional to 3,429.69, 5,145.26 and 1,949.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.69 : 5,145.26 = 1,949.61 : x
2. Step 2: Convert to fraction form
   3,429.69/5,145.26 = 1,949.61/x
3. Step 3: Cross multiply
   3,429.69x = 5,145.26 × 1,949.61
4. Step 4: Simplify right side
   3,429.69x = 10,031,250.35
5. Step 5: Solve for x
   x = 10,031,250.35/3,429.69
6. Step 6: Final answer
   x = 2,924.83