Finding the Fourth Proportional to 22,768.40, 34,131.79 and 7,969.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,768.40 : 34,131.79 = 7,969.25 : x
2. Step 2: Convert to fraction form
   22,768.40/34,131.79 = 7,969.25/x
3. Step 3: Cross multiply
   22,768.40x = 34,131.79 × 7,969.25
4. Step 4: Simplify right side
   22,768.40x = 272,004,767.46
5. Step 5: Solve for x
   x = 272,004,767.46/22,768.40
6. Step 6: Final answer
   x = 11,946.59