Finding the Fourth Proportional to 12,696, 17,521.46 and 7,031.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,696 : 17,521.46 = 7,031.27 : x
2. Step 2: Convert to fraction form
   12,696/17,521.46 = 7,031.27/x
3. Step 3: Cross multiply
   12,696x = 17,521.46 × 7,031.27
4. Step 4: Simplify right side
   12,696x = 123,197,993.29
5. Step 5: Solve for x
   x = 123,197,993.29/12,696
6. Step 6: Final answer
   x = 9,703.69