Finding the Fourth Proportional to 8,865.68, 12,234.72 and 4,886.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,865.68 : 12,234.72 = 4,886.69 : x
2. Step 2: Convert to fraction form
   8,865.68/12,234.72 = 4,886.69/x
3. Step 3: Cross multiply
   8,865.68x = 12,234.72 × 4,886.69
4. Step 4: Simplify right side
   8,865.68x = 59,787,222.70
5. Step 5: Solve for x
   x = 59,787,222.70/8,865.68
6. Step 6: Final answer
   x = 6,743.67