Finding the Fourth Proportional to 11,663.26, 17,494.18 and 3,658.03

Step by Step Solution

1. Step 1: Write the proportion equation
   11,663.26 : 17,494.18 = 3,658.03 : x
2. Step 2: Convert to fraction form
   11,663.26/17,494.18 = 3,658.03/x
3. Step 3: Cross multiply
   11,663.26x = 17,494.18 × 3,658.03
4. Step 4: Simplify right side
   11,663.26x = 63,994,182.38
5. Step 5: Solve for x
   x = 63,994,182.38/11,663.26
6. Step 6: Final answer
   x = 5,486.82