Finding the Fourth Proportional to 8,495.46, 12,667.01 and 8,170.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,495.46 : 12,667.01 = 8,170.38 : x
2. Step 2: Convert to fraction form
   8,495.46/12,667.01 = 8,170.38/x
3. Step 3: Cross multiply
   8,495.46x = 12,667.01 × 8,170.38
4. Step 4: Simplify right side
   8,495.46x = 103,494,244.31
5. Step 5: Solve for x
   x = 103,494,244.31/8,495.46
6. Step 6: Final answer
   x = 12,182.30