Finding the Fourth Proportional to 10,766.26, 14,853.21 and 7,940.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,766.26 : 14,853.21 = 7,940.42 : x
2. Step 2: Convert to fraction form
   10,766.26/14,853.21 = 7,940.42/x
3. Step 3: Cross multiply
   10,766.26x = 14,853.21 × 7,940.42
4. Step 4: Simplify right side
   10,766.26x = 117,940,651.48
5. Step 5: Solve for x
   x = 117,940,651.48/10,766.26
6. Step 6: Final answer
   x = 10,954.66