Finding the Fourth Proportional to 3,608.17, 5,403.61 and 2,287.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.17 : 5,403.61 = 2,287.33 : x
2. Step 2: Convert to fraction form
   3,608.17/5,403.61 = 2,287.33/x
3. Step 3: Cross multiply
   3,608.17x = 5,403.61 × 2,287.33
4. Step 4: Simplify right side
   3,608.17x = 12,359,833.54
5. Step 5: Solve for x
   x = 12,359,833.54/3,608.17
6. Step 6: Final answer
   x = 3,425.51