Finding the Fourth Proportional to 11,456.42, 17,180.91 and 3,663.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,456.42 : 17,180.91 = 3,663.38 : x
2. Step 2: Convert to fraction form
   11,456.42/17,180.91 = 3,663.38/x
3. Step 3: Cross multiply
   11,456.42x = 17,180.91 × 3,663.38
4. Step 4: Simplify right side
   11,456.42x = 62,940,202.08
5. Step 5: Solve for x
   x = 62,940,202.08/11,456.42
6. Step 6: Final answer
   x = 5,493.88