Finding the Fourth Proportional to 3,636.18, 5,456.72 and 2,338.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.18 : 5,456.72 = 2,338.56 : x
2. Step 2: Convert to fraction form
   3,636.18/5,456.72 = 2,338.56/x
3. Step 3: Cross multiply
   3,636.18x = 5,456.72 × 2,338.56
4. Step 4: Simplify right side
   3,636.18x = 12,760,872.97
5. Step 5: Solve for x
   x = 12,760,872.97/3,636.18
6. Step 6: Final answer
   x = 3,509.42