Finding the Fourth Proportional to 2,587.73, 3,571.53 and 1,525.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587.73 : 3,571.53 = 1,525.43 : x
2. Step 2: Convert to fraction form
   2,587.73/3,571.53 = 1,525.43/x
3. Step 3: Cross multiply
   2,587.73x = 3,571.53 × 1,525.43
4. Step 4: Simplify right side
   2,587.73x = 5,448,108.82
5. Step 5: Solve for x
   x = 5,448,108.82/2,587.73
6. Step 6: Final answer
   x = 2,105.37