Finding the Fourth Proportional to 2,540.16, 3,505.44 and 1,545.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.16 : 3,505.44 = 1,545.27 : x
2. Step 2: Convert to fraction form
   2,540.16/3,505.44 = 1,545.27/x
3. Step 3: Cross multiply
   2,540.16x = 3,505.44 × 1,545.27
4. Step 4: Simplify right side
   2,540.16x = 5,416,851.27
5. Step 5: Solve for x
   x = 5,416,851.27/2,540.16
6. Step 6: Final answer
   x = 2,132.48