Finding the Fourth Proportional to 3,906.36, 5,390.37 and 2,227.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906.36 : 5,390.37 = 2,227.59 : x
2. Step 2: Convert to fraction form
   3,906.36/5,390.37 = 2,227.59/x
3. Step 3: Cross multiply
   3,906.36x = 5,390.37 × 2,227.59
4. Step 4: Simplify right side
   3,906.36x = 12,007,534.31
5. Step 5: Solve for x
   x = 12,007,534.31/3,906.36
6. Step 6: Final answer
   x = 3,073.84