Finding the Fourth Proportional to 10,960.32, 16,443.12 and 3,169.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,960.32 : 16,443.12 = 3,169.68 : x
2. Step 2: Convert to fraction form
   10,960.32/16,443.12 = 3,169.68/x
3. Step 3: Cross multiply
   10,960.32x = 16,443.12 × 3,169.68
4. Step 4: Simplify right side
   10,960.32x = 52,119,428.60
5. Step 5: Solve for x
   x = 52,119,428.60/10,960.32
6. Step 6: Final answer
   x = 4,755.28