Finding the Fourth Proportional to 16,956.72, 25,410.42 and 8,181.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,956.72 : 25,410.42 = 8,181.36 : x
2. Step 2: Convert to fraction form
   16,956.72/25,410.42 = 8,181.36/x
3. Step 3: Cross multiply
   16,956.72x = 25,410.42 × 8,181.36
4. Step 4: Simplify right side
   16,956.72x = 207,891,793.77
5. Step 5: Solve for x
   x = 207,891,793.77/16,956.72
6. Step 6: Final answer
   x = 12,260.14