Finding the Fourth Proportional to 3,906.09, 5,390.52 and 2,414.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906.09 : 5,390.52 = 2,414.07 : x
2. Step 2: Convert to fraction form
   3,906.09/5,390.52 = 2,414.07/x
3. Step 3: Cross multiply
   3,906.09x = 5,390.52 × 2,414.07
4. Step 4: Simplify right side
   3,906.09x = 13,013,092.62
5. Step 5: Solve for x
   x = 13,013,092.62/3,906.09
6. Step 6: Final answer
   x = 3,331.49