Finding the Fourth Proportional to 3,016.09, 4,162.34 and 1,689.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,016.09 : 4,162.34 = 1,689.79 : x
2. Step 2: Convert to fraction form
   3,016.09/4,162.34 = 1,689.79/x
3. Step 3: Cross multiply
   3,016.09x = 4,162.34 × 1,689.79
4. Step 4: Simplify right side
   3,016.09x = 7,033,480.51
5. Step 5: Solve for x
   x = 7,033,480.51/3,016.09
6. Step 6: Final answer
   x = 2,331.99