Finding the Fourth Proportional to 12,944.88, 17,856.72 and 8,968.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,944.88 : 17,856.72 = 8,968.32 : x
2. Step 2: Convert to fraction form
   12,944.88/17,856.72 = 8,968.32/x
3. Step 3: Cross multiply
   12,944.88x = 17,856.72 × 8,968.32
4. Step 4: Simplify right side
   12,944.88x = 160,144,779.11
5. Step 5: Solve for x
   x = 160,144,779.11/12,944.88
6. Step 6: Final answer
   x = 12,371.28