Finding the Fourth Proportional to 3,016.61, 4,162.98 and 1,690.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,016.61 : 4,162.98 = 1,690.30 : x
2. Step 2: Convert to fraction form
   3,016.61/4,162.98 = 1,690.30/x
3. Step 3: Cross multiply
   3,016.61x = 4,162.98 × 1,690.30
4. Step 4: Simplify right side
   3,016.61x = 7,036,685.09
5. Step 5: Solve for x
   x = 7,036,685.09/3,016.61
6. Step 6: Final answer
   x = 2,332.65