Finding the Fourth Proportional to 2,588.28, 3,571.56 and 1,540.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.28 : 3,571.56 = 1,540.14 : x
2. Step 2: Convert to fraction form
   2,588.28/3,571.56 = 1,540.14/x
3. Step 3: Cross multiply
   2,588.28x = 3,571.56 × 1,540.14
4. Step 4: Simplify right side
   2,588.28x = 5,500,702.42
5. Step 5: Solve for x
   x = 5,500,702.42/2,588.28
6. Step 6: Final answer
   x = 2,125.23