Finding the Fourth Proportional to 17,111.76, 23,608.68 and 9,556.92

Step by Step Solution

1. Step 1: Write the proportion equation
   17,111.76 : 23,608.68 = 9,556.92 : x
2. Step 2: Convert to fraction form
   17,111.76/23,608.68 = 9,556.92/x
3. Step 3: Cross multiply
   17,111.76x = 23,608.68 × 9,556.92
4. Step 4: Simplify right side
   17,111.76x = 225,626,266.07
5. Step 5: Solve for x
   x = 225,626,266.07/17,111.76
6. Step 6: Final answer
   x = 13,185.45