Finding the Fourth Proportional to 8,860.50, 12,227.25 and 4,881.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,860.50 : 12,227.25 = 4,881.57 : x
2. Step 2: Convert to fraction form
   8,860.50/12,227.25 = 4,881.57/x
3. Step 3: Cross multiply
   8,860.50x = 12,227.25 × 4,881.57
4. Step 4: Simplify right side
   8,860.50x = 59,688,176.78
5. Step 5: Solve for x
   x = 59,688,176.78/8,860.50
6. Step 6: Final answer
   x = 6,736.43