Finding the Fourth Proportional to 11,735.26, 17,608.59 and 5,160.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,735.26 : 17,608.59 = 5,160.58 : x
2. Step 2: Convert to fraction form
   11,735.26/17,608.59 = 5,160.58/x
3. Step 3: Cross multiply
   11,735.26x = 17,608.59 × 5,160.58
4. Step 4: Simplify right side
   11,735.26x = 90,870,537.38
5. Step 5: Solve for x
   x = 90,870,537.38/11,735.26
6. Step 6: Final answer
   x = 7,743.38