Finding the Fourth Proportional to 12,967.92, 17,895.60 and 7,662.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,967.92 : 17,895.60 = 7,662.42 : x
2. Step 2: Convert to fraction form
   12,967.92/17,895.60 = 7,662.42/x
3. Step 3: Cross multiply
   12,967.92x = 17,895.60 × 7,662.42
4. Step 4: Simplify right side
   12,967.92x = 137,123,603.35
5. Step 5: Solve for x
   x = 137,123,603.35/12,967.92
6. Step 6: Final answer
   x = 10,574.06