Finding the Fourth Proportional to 16,144, 22,279.68 and 10,757.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,144 : 22,279.68 = 10,757.12 : x
2. Step 2: Convert to fraction form
   16,144/22,279.68 = 10,757.12/x
3. Step 3: Cross multiply
   16,144x = 22,279.68 × 10,757.12
4. Step 4: Simplify right side
   16,144x = 239,665,191.32
5. Step 5: Solve for x
   x = 239,665,191.32/16,144
6. Step 6: Final answer
   x = 14,845.47