Finding the Fourth Proportional to 2,540.39, 3,506.06 and 1,545.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.39 : 3,506.06 = 1,545.61 : x
2. Step 2: Convert to fraction form
   2,540.39/3,506.06 = 1,545.61/x
3. Step 3: Cross multiply
   2,540.39x = 3,506.06 × 1,545.61
4. Step 4: Simplify right side
   2,540.39x = 5,418,976.14
5. Step 5: Solve for x
   x = 5,418,976.14/2,540.39
6. Step 6: Final answer
   x = 2,133.13