Finding the Fourth Proportional to 8,150.82, 12,228.86 and 3,217.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.82 : 12,228.86 = 3,217.71 : x
2. Step 2: Convert to fraction form
   8,150.82/12,228.86 = 3,217.71/x
3. Step 3: Cross multiply
   8,150.82x = 12,228.86 × 3,217.71
4. Step 4: Simplify right side
   8,150.82x = 39,348,925.11
5. Step 5: Solve for x
   x = 39,348,925.11/8,150.82
6. Step 6: Final answer
   x = 4,827.60