Finding the Fourth Proportional to 12,626.17, 17,424.18 and 7,324.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,626.17 : 17,424.18 = 7,324.12 : x
2. Step 2: Convert to fraction form
   12,626.17/17,424.18 = 7,324.12/x
3. Step 3: Cross multiply
   12,626.17x = 17,424.18 × 7,324.12
4. Step 4: Simplify right side
   12,626.17x = 127,616,785.22
5. Step 5: Solve for x
   x = 127,616,785.22/12,626.17
6. Step 6: Final answer
   x = 10,107.32