Finding the Fourth Proportional to 8,896.85, 12,276.83 and 4,917.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,896.85 : 12,276.83 = 4,917.88 : x
2. Step 2: Convert to fraction form
   8,896.85/12,276.83 = 4,917.88/x
3. Step 3: Cross multiply
   8,896.85x = 12,276.83 × 4,917.88
4. Step 4: Simplify right side
   8,896.85x = 60,375,976.72
5. Step 5: Solve for x
   x = 60,375,976.72/8,896.85
6. Step 6: Final answer
   x = 6,786.22