Finding the Fourth Proportional to 17,136.18, 23,653.89 and 11,776.37

Step by Step Solution

1. Step 1: Write the proportion equation
   17,136.18 : 23,653.89 = 11,776.37 : x
2. Step 2: Convert to fraction form
   17,136.18/23,653.89 = 11,776.37/x
3. Step 3: Cross multiply
   17,136.18x = 23,653.89 × 11,776.37
4. Step 4: Simplify right side
   17,136.18x = 278,556,960.58
5. Step 5: Solve for x
   x = 278,556,960.58/17,136.18
6. Step 6: Final answer
   x = 16,255.49