Finding the Fourth Proportional to 14,670.72, 20,245.52 and 7,956.32

Step by Step Solution

1. Step 1: Write the proportion equation
   14,670.72 : 20,245.52 = 7,956.32 : x
2. Step 2: Convert to fraction form
   14,670.72/20,245.52 = 7,956.32/x
3. Step 3: Cross multiply
   14,670.72x = 20,245.52 × 7,956.32
4. Step 4: Simplify right side
   14,670.72x = 161,079,835.69
5. Step 5: Solve for x
   x = 161,079,835.69/14,670.72
6. Step 6: Final answer
   x = 10,979.68