Finding the Fourth Proportional to 3,429.85, 5,140.56 and 1,950.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.85 : 5,140.56 = 1,950.32 : x
2. Step 2: Convert to fraction form
   3,429.85/5,140.56 = 1,950.32/x
3. Step 3: Cross multiply
   3,429.85x = 5,140.56 × 1,950.32
4. Step 4: Simplify right side
   3,429.85x = 10,025,714.83
5. Step 5: Solve for x
   x = 10,025,714.83/3,429.85
6. Step 6: Final answer
   x = 2,923.07