Finding the Fourth Proportional to 8,864.38, 12,228.69 and 5,506.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,864.38 : 12,228.69 = 5,506.12 : x
2. Step 2: Convert to fraction form
   8,864.38/12,228.69 = 5,506.12/x
3. Step 3: Cross multiply
   8,864.38x = 12,228.69 × 5,506.12
4. Step 4: Simplify right side
   8,864.38x = 67,332,634.58
5. Step 5: Solve for x
   x = 67,332,634.58/8,864.38
6. Step 6: Final answer
   x = 7,595.87