Finding the Fourth Proportional to 12,608.14, 17,399.28 and 6,943.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,608.14 : 17,399.28 = 6,943.45 : x
2. Step 2: Convert to fraction form
   12,608.14/17,399.28 = 6,943.45/x
3. Step 3: Cross multiply
   12,608.14x = 17,399.28 × 6,943.45
4. Step 4: Simplify right side
   12,608.14x = 120,811,030.72
5. Step 5: Solve for x
   x = 120,811,030.72/12,608.14
6. Step 6: Final answer
   x = 9,581.99