Finding the Fourth Proportional to 3,016.72, 4,163.12 and 1,690.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,016.72 : 4,163.12 = 1,690.42 : x
2. Step 2: Convert to fraction form
   3,016.72/4,163.12 = 1,690.42/x
3. Step 3: Cross multiply
   3,016.72x = 4,163.12 × 1,690.42
4. Step 4: Simplify right side
   3,016.72x = 7,037,421.31
5. Step 5: Solve for x
   x = 7,037,421.31/3,016.72
6. Step 6: Final answer
   x = 2,332.81