Finding the Fourth Proportional to 2,556.27, 3,527.73 and 1,660.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.27 : 3,527.73 = 1,660.23 : x
2. Step 2: Convert to fraction form
   2,556.27/3,527.73 = 1,660.23/x
3. Step 3: Cross multiply
   2,556.27x = 3,527.73 × 1,660.23
4. Step 4: Simplify right side
   2,556.27x = 5,856,843.18
5. Step 5: Solve for x
   x = 5,856,843.18/2,556.27
6. Step 6: Final answer
   x = 2,291.17