Finding the Fourth Proportional to 12,707.47, 17,541.12 and 7,404

Step by Step Solution

1. Step 1: Write the proportion equation
   12,707.47 : 17,541.12 = 7,404 : x
2. Step 2: Convert to fraction form
   12,707.47/17,541.12 = 7,404/x
3. Step 3: Cross multiply
   12,707.47x = 17,541.12 × 7,404
4. Step 4: Simplify right side
   12,707.47x = 129,874,452.48
5. Step 5: Solve for x
   x = 129,874,452.48/12,707.47
6. Step 6: Final answer
   x = 10,220.32