Finding the Fourth Proportional to 10,072.38, 15,040.71 and 8,227.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.38 : 15,040.71 = 8,227.14 : x
2. Step 2: Convert to fraction form
   10,072.38/15,040.71 = 8,227.14/x
3. Step 3: Cross multiply
   10,072.38x = 15,040.71 × 8,227.14
4. Step 4: Simplify right side
   10,072.38x = 123,742,026.87
5. Step 5: Solve for x
   x = 123,742,026.87/10,072.38
6. Step 6: Final answer
   x = 12,285.28