Finding the Fourth Proportional to 14,256.36, 19,673.34 and 7,968.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,256.36 : 19,673.34 = 7,968.72 : x
2. Step 2: Convert to fraction form
   14,256.36/19,673.34 = 7,968.72/x
3. Step 3: Cross multiply
   14,256.36x = 19,673.34 × 7,968.72
4. Step 4: Simplify right side
   14,256.36x = 156,771,337.92
5. Step 5: Solve for x
   x = 156,771,337.92/14,256.36
6. Step 6: Final answer
   x = 10,996.59