Finding the Fourth Proportional to 3,016.22, 4,162.42 and 1,689.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,016.22 : 4,162.42 = 1,689.90 : x
2. Step 2: Convert to fraction form
   3,016.22/4,162.42 = 1,689.90/x
3. Step 3: Cross multiply
   3,016.22x = 4,162.42 × 1,689.90
4. Step 4: Simplify right side
   3,016.22x = 7,034,073.56
5. Step 5: Solve for x
   x = 7,034,073.56/3,016.22
6. Step 6: Final answer
   x = 2,332.08