Finding the Fourth Proportional to 8,863.50, 12,231.50 and 4,884.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,863.50 : 12,231.50 = 4,884.51 : x
2. Step 2: Convert to fraction form
   8,863.50/12,231.50 = 4,884.51/x
3. Step 3: Cross multiply
   8,863.50x = 12,231.50 × 4,884.51
4. Step 4: Simplify right side
   8,863.50x = 59,744,859.64
5. Step 5: Solve for x
   x = 59,744,859.64/8,863.50
6. Step 6: Final answer
   x = 6,740.55