Finding the Fourth Proportional to 16,959.26, 23,404.37 and 10,243.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,959.26 : 23,404.37 = 10,243.55 : x
2. Step 2: Convert to fraction form
   16,959.26/23,404.37 = 10,243.55/x
3. Step 3: Cross multiply
   16,959.26x = 23,404.37 × 10,243.55
4. Step 4: Simplify right side
   16,959.26x = 239,743,841.61
5. Step 5: Solve for x
   x = 239,743,841.61/16,959.26
6. Step 6: Final answer
   x = 14,136.45