Finding the Fourth Proportional to 10,828.75, 16,243.58 and 3,433.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,828.75 : 16,243.58 = 3,433.05 : x
2. Step 2: Convert to fraction form
   10,828.75/16,243.58 = 3,433.05/x
3. Step 3: Cross multiply
   10,828.75x = 16,243.58 × 3,433.05
4. Step 4: Simplify right side
   10,828.75x = 55,765,022.32
5. Step 5: Solve for x
   x = 55,765,022.32/10,828.75
6. Step 6: Final answer
   x = 5,149.72