Finding the Fourth Proportional to 12,371.48, 17,072.67 and 7,066.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,371.48 : 17,072.67 = 7,066.29 : x
2. Step 2: Convert to fraction form
   12,371.48/17,072.67 = 7,066.29/x
3. Step 3: Cross multiply
   12,371.48x = 17,072.67 × 7,066.29
4. Step 4: Simplify right side
   12,371.48x = 120,640,431.78
5. Step 5: Solve for x
   x = 120,640,431.78/12,371.48
6. Step 6: Final answer
   x = 9,751.49