Finding the Fourth Proportional to 8,495.72, 12,736.31 and 3,227.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,495.72 : 12,736.31 = 3,227.75 : x
2. Step 2: Convert to fraction form
   8,495.72/12,736.31 = 3,227.75/x
3. Step 3: Cross multiply
   8,495.72x = 12,736.31 × 3,227.75
4. Step 4: Simplify right side
   8,495.72x = 41,109,544.78
5. Step 5: Solve for x
   x = 41,109,544.78/8,495.72
6. Step 6: Final answer
   x = 4,838.86