Finding the Fourth Proportional to 12,799.69, 17,668.43 and 8,610.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,799.69 : 17,668.43 = 8,610.37 : x
2. Step 2: Convert to fraction form
   12,799.69/17,668.43 = 8,610.37/x
3. Step 3: Cross multiply
   12,799.69x = 17,668.43 × 8,610.37
4. Step 4: Simplify right side
   12,799.69x = 152,131,664.69
5. Step 5: Solve for x
   x = 152,131,664.69/12,799.69
6. Step 6: Final answer
   x = 11,885.58