Finding the Fourth Proportional to 2,568.51, 3,544.79 and 1,520.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.51 : 3,544.79 = 1,520.73 : x
2. Step 2: Convert to fraction form
   2,568.51/3,544.79 = 1,520.73/x
3. Step 3: Cross multiply
   2,568.51x = 3,544.79 × 1,520.73
4. Step 4: Simplify right side
   2,568.51x = 5,390,668.50
5. Step 5: Solve for x
   x = 5,390,668.50/2,568.51
6. Step 6: Final answer
   x = 2,098.75