Finding the Fourth Proportional to 12,401.49, 17,113.16 and 7,022.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.49 : 17,113.16 = 7,022.38 : x
2. Step 2: Convert to fraction form
   12,401.49/17,113.16 = 7,022.38/x
3. Step 3: Cross multiply
   12,401.49x = 17,113.16 × 7,022.38
4. Step 4: Simplify right side
   12,401.49x = 120,175,026.96
5. Step 5: Solve for x
   x = 120,175,026.96/12,401.49
6. Step 6: Final answer
   x = 9,690.37