Finding the Fourth Proportional to 2,185.50, 3,013.44 and 1,660.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.50 : 3,013.44 = 1,660.62 : x
2. Step 2: Convert to fraction form
   2,185.50/3,013.44 = 1,660.62/x
3. Step 3: Cross multiply
   2,185.50x = 3,013.44 × 1,660.62
4. Step 4: Simplify right side
   2,185.50x = 5,004,178.73
5. Step 5: Solve for x
   x = 5,004,178.73/2,185.50
6. Step 6: Final answer
   x = 2,289.72