Finding the Fourth Proportional to 2,185.48, 3,013.48 and 1,660.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.48 : 3,013.48 = 1,660.60 : x
2. Step 2: Convert to fraction form
   2,185.48/3,013.48 = 1,660.60/x
3. Step 3: Cross multiply
   2,185.48x = 3,013.48 × 1,660.60
4. Step 4: Simplify right side
   2,185.48x = 5,004,184.89
5. Step 5: Solve for x
   x = 5,004,184.89/2,185.48
6. Step 6: Final answer
   x = 2,289.74