Finding the Fourth Proportional to 2,588.49, 3,571.29 and 1,540.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.49 : 3,571.29 = 1,540.08 : x
2. Step 2: Convert to fraction form
   2,588.49/3,571.29 = 1,540.08/x
3. Step 3: Cross multiply
   2,588.49x = 3,571.29 × 1,540.08
4. Step 4: Simplify right side
   2,588.49x = 5,500,072.30
5. Step 5: Solve for x
   x = 5,500,072.30/2,588.49
6. Step 6: Final answer
   x = 2,124.82