Finding the Fourth Proportional to 16,813.98, 25,228.17 and 6,960.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,813.98 : 25,228.17 = 6,960.42 : x
2. Step 2: Convert to fraction form
   16,813.98/25,228.17 = 6,960.42/x
3. Step 3: Cross multiply
   16,813.98x = 25,228.17 × 6,960.42
4. Step 4: Simplify right side
   16,813.98x = 175,598,659.03
5. Step 5: Solve for x
   x = 175,598,659.03/16,813.98
6. Step 6: Final answer
   x = 10,443.61