Finding the Fourth Proportional to 17,091.69, 23,586.66 and 9,538.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,091.69 : 23,586.66 = 9,538.50 : x
2. Step 2: Convert to fraction form
   17,091.69/23,586.66 = 9,538.50/x
3. Step 3: Cross multiply
   17,091.69x = 23,586.66 × 9,538.50
4. Step 4: Simplify right side
   17,091.69x = 224,981,356.41
5. Step 5: Solve for x
   x = 224,981,356.41/17,091.69
6. Step 6: Final answer
   x = 13,163.20