Finding the Fourth Proportional to 12,322.38, 17,007.94 and 7,020.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,322.38 : 17,007.94 = 7,020.34 : x
2. Step 2: Convert to fraction form
   12,322.38/17,007.94 = 7,020.34/x
3. Step 3: Cross multiply
   12,322.38x = 17,007.94 × 7,020.34
4. Step 4: Simplify right side
   12,322.38x = 119,401,521.50
5. Step 5: Solve for x
   x = 119,401,521.50/12,322.38
6. Step 6: Final answer
   x = 9,689.81