Finding the Fourth Proportional to 8,863.38, 12,227.31 and 5,505.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,863.38 : 12,227.31 = 5,505.12 : x
2. Step 2: Convert to fraction form
   8,863.38/12,227.31 = 5,505.12/x
3. Step 3: Cross multiply
   8,863.38x = 12,227.31 × 5,505.12
4. Step 4: Simplify right side
   8,863.38x = 67,312,808.83
5. Step 5: Solve for x
   x = 67,312,808.83/8,863.38
6. Step 6: Final answer
   x = 7,594.49