Finding the Fourth Proportional to 8,864.87, 12,233.30 and 4,885.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,864.87 : 12,233.30 = 4,885.89 : x
2. Step 2: Convert to fraction form
   8,864.87/12,233.30 = 4,885.89/x
3. Step 3: Cross multiply
   8,864.87x = 12,233.30 × 4,885.89
4. Step 4: Simplify right side
   8,864.87x = 59,770,632.28
5. Step 5: Solve for x
   x = 59,770,632.28/8,864.87
6. Step 6: Final answer
   x = 6,742.42