Finding the Fourth Proportional to 8,922, 12,313.08 and 5,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,922 : 12,313.08 = 5,196.72 : x
2. Step 2: Convert to fraction form
   8,922/12,313.08 = 5,196.72/x
3. Step 3: Cross multiply
   8,922x = 12,313.08 × 5,196.72
4. Step 4: Simplify right side
   8,922x = 63,987,629.10
5. Step 5: Solve for x
   x = 63,987,629.10/8,922
6. Step 6: Final answer
   x = 7,171.89