Finding the Fourth Proportional to 2,588.01, 3,571.46 and 1,540

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.01 : 3,571.46 = 1,540 : x
2. Step 2: Convert to fraction form
   2,588.01/3,571.46 = 1,540/x
3. Step 3: Cross multiply
   2,588.01x = 3,571.46 × 1,540
4. Step 4: Simplify right side
   2,588.01x = 5,500,048.40
5. Step 5: Solve for x
   x = 5,500,048.40/2,588.01
6. Step 6: Final answer
   x = 2,125.20