Finding the Fourth Proportional to 8,824.82, 12,179.97 and 5,469.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,824.82 : 12,179.97 = 5,469.12 : x
2. Step 2: Convert to fraction form
   8,824.82/12,179.97 = 5,469.12/x
3. Step 3: Cross multiply
   8,824.82x = 12,179.97 × 5,469.12
4. Step 4: Simplify right side
   8,824.82x = 66,613,717.53
5. Step 5: Solve for x
   x = 66,613,717.53/8,824.82
6. Step 6: Final answer
   x = 7,548.45