Finding the Fourth Proportional to 8,928.76, 12,321.41 and 4,895.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,928.76 : 12,321.41 = 4,895.50 : x
2. Step 2: Convert to fraction form
   8,928.76/12,321.41 = 4,895.50/x
3. Step 3: Cross multiply
   8,928.76x = 12,321.41 × 4,895.50
4. Step 4: Simplify right side
   8,928.76x = 60,319,401.05
5. Step 5: Solve for x
   x = 60,319,401.05/8,928.76
6. Step 6: Final answer
   x = 6,755.63