Finding the Fourth Proportional to 12,401.49, 17,111.39 and 7,367.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.49 : 17,111.39 = 7,367.40 : x
2. Step 2: Convert to fraction form
   12,401.49/17,111.39 = 7,367.40/x
3. Step 3: Cross multiply
   12,401.49x = 17,111.39 × 7,367.40
4. Step 4: Simplify right side
   12,401.49x = 126,066,454.69
5. Step 5: Solve for x
   x = 126,066,454.69/12,401.49
6. Step 6: Final answer
   x = 10,165.43