Finding the Fourth Proportional to 16,845.94, 25,256.79 and 7,956.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,845.94 : 25,256.79 = 7,956.34 : x
2. Step 2: Convert to fraction form
   16,845.94/25,256.79 = 7,956.34/x
3. Step 3: Cross multiply
   16,845.94x = 25,256.79 × 7,956.34
4. Step 4: Simplify right side
   16,845.94x = 200,951,608.55
5. Step 5: Solve for x
   x = 200,951,608.55/16,845.94
6. Step 6: Final answer
   x = 11,928.79