Finding the Fourth Proportional to 12,696.96, 17,521.58 and 7,031.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,696.96 : 17,521.58 = 7,031.58 : x
2. Step 2: Convert to fraction form
   12,696.96/17,521.58 = 7,031.58/x
3. Step 3: Cross multiply
   12,696.96x = 17,521.58 × 7,031.58
4. Step 4: Simplify right side
   12,696.96x = 123,204,391.50
5. Step 5: Solve for x
   x = 123,204,391.50/12,696.96
6. Step 6: Final answer
   x = 9,703.46