Finding the Fourth Proportional to 12,371.04, 17,072.16 and 7,065.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,371.04 : 17,072.16 = 7,065.12 : x
2. Step 2: Convert to fraction form
   12,371.04/17,072.16 = 7,065.12/x
3. Step 3: Cross multiply
   12,371.04x = 17,072.16 × 7,065.12
4. Step 4: Simplify right side
   12,371.04x = 120,616,859.06
5. Step 5: Solve for x
   x = 120,616,859.06/12,371.04
6. Step 6: Final answer
   x = 9,749.94