Finding the Fourth Proportional to 12,696.95, 17,519.30 and 7,031.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,696.95 : 17,519.30 = 7,031.42 : x
2. Step 2: Convert to fraction form
   12,696.95/17,519.30 = 7,031.42/x
3. Step 3: Cross multiply
   12,696.95x = 17,519.30 × 7,031.42
4. Step 4: Simplify right side
   12,696.95x = 123,185,556.41
5. Step 5: Solve for x
   x = 123,185,556.41/12,696.95
6. Step 6: Final answer
   x = 9,701.98