Finding the Fourth Proportional to 8,269.15, 12,396.42 and 3,071.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,269.15 : 12,396.42 = 3,071.38 : x
2. Step 2: Convert to fraction form
   8,269.15/12,396.42 = 3,071.38/x
3. Step 3: Cross multiply
   8,269.15x = 12,396.42 × 3,071.38
4. Step 4: Simplify right side
   8,269.15x = 38,074,116.46
5. Step 5: Solve for x
   x = 38,074,116.46/8,269.15
6. Step 6: Final answer
   x = 4,604.36