Finding the Fourth Proportional to 2,565.73, 3,539.59 and 1,571.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,565.73 : 3,539.59 = 1,571.05 : x
2. Step 2: Convert to fraction form
   2,565.73/3,539.59 = 1,571.05/x
3. Step 3: Cross multiply
   2,565.73x = 3,539.59 × 1,571.05
4. Step 4: Simplify right side
   2,565.73x = 5,560,872.87
5. Step 5: Solve for x
   x = 5,560,872.87/2,565.73
6. Step 6: Final answer
   x = 2,167.36