Finding the Fourth Proportional to 3,016.32, 4,162.32 and 1,689.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,016.32 : 4,162.32 = 1,689.81 : x
2. Step 2: Convert to fraction form
   3,016.32/4,162.32 = 1,689.81/x
3. Step 3: Cross multiply
   3,016.32x = 4,162.32 × 1,689.81
4. Step 4: Simplify right side
   3,016.32x = 7,033,529.96
5. Step 5: Solve for x
   x = 7,033,529.96/3,016.32
6. Step 6: Final answer
   x = 2,331.82