Finding the Fourth Proportional to 3,016.56, 4,162.72 and 1,690.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,016.56 : 4,162.72 = 1,690.39 : x
2. Step 2: Convert to fraction form
   3,016.56/4,162.72 = 1,690.39/x
3. Step 3: Cross multiply
   3,016.56x = 4,162.72 × 1,690.39
4. Step 4: Simplify right side
   3,016.56x = 7,036,620.26
5. Step 5: Solve for x
   x = 7,036,620.26/3,016.56
6. Step 6: Final answer
   x = 2,332.66