Finding the Fourth Proportional to 14,256.50, 19,674.42 and 7,968.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,256.50 : 19,674.42 = 7,968.86 : x
2. Step 2: Convert to fraction form
   14,256.50/19,674.42 = 7,968.86/x
3. Step 3: Cross multiply
   14,256.50x = 19,674.42 × 7,968.86
4. Step 4: Simplify right side
   14,256.50x = 156,782,698.56
5. Step 5: Solve for x
   x = 156,782,698.56/14,256.50
6. Step 6: Final answer
   x = 10,997.28