Finding the Fourth Proportional to 12,673.96, 17,496.30 and 7,960.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673.96 : 17,496.30 = 7,960.84 : x
2. Step 2: Convert to fraction form
   12,673.96/17,496.30 = 7,960.84/x
3. Step 3: Cross multiply
   12,673.96x = 17,496.30 × 7,960.84
4. Step 4: Simplify right side
   12,673.96x = 139,285,244.89
5. Step 5: Solve for x
   x = 139,285,244.89/12,673.96
6. Step 6: Final answer
   x = 10,989.88