Finding the Fourth Proportional to 8,865.38, 12,230.06 and 5,507.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,865.38 : 12,230.06 = 5,507.12 : x
2. Step 2: Convert to fraction form
   8,865.38/12,230.06 = 5,507.12/x
3. Step 3: Cross multiply
   8,865.38x = 12,230.06 × 5,507.12
4. Step 4: Simplify right side
   8,865.38x = 67,352,408.03
5. Step 5: Solve for x
   x = 67,352,408.03/8,865.38
6. Step 6: Final answer
   x = 7,597.24