Finding the Fourth Proportional to 14,256, 19,673.28 and 7,969.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,256 : 19,673.28 = 7,969.86 : x
2. Step 2: Convert to fraction form
   14,256/19,673.28 = 7,969.86/x
3. Step 3: Cross multiply
   14,256x = 19,673.28 × 7,969.86
4. Step 4: Simplify right side
   14,256x = 156,793,287.34
5. Step 5: Solve for x
   x = 156,793,287.34/14,256
6. Step 6: Final answer
   x = 10,998.41