Finding the Fourth Proportional to 12,141.65, 16,754.24 and 8,956.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,141.65 : 16,754.24 = 8,956.68 : x
2. Step 2: Convert to fraction form
   12,141.65/16,754.24 = 8,956.68/x
3. Step 3: Cross multiply
   12,141.65x = 16,754.24 × 8,956.68
4. Step 4: Simplify right side
   12,141.65x = 150,062,325.89
5. Step 5: Solve for x
   x = 150,062,325.89/12,141.65
6. Step 6: Final answer
   x = 12,359.31