Finding the Fourth Proportional to 9,351.81, 12,922.61 and 8,896.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,351.81 : 12,922.61 = 8,896.23 : x
2. Step 2: Convert to fraction form
   9,351.81/12,922.61 = 8,896.23/x
3. Step 3: Cross multiply
   9,351.81x = 12,922.61 × 8,896.23
4. Step 4: Simplify right side
   9,351.81x = 114,962,466.28
5. Step 5: Solve for x
   x = 114,962,466.28/9,351.81
6. Step 6: Final answer
   x = 12,293.07