Finding the Fourth Proportional to 16,436.32, 22,672.92 and 10,144.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,436.32 : 22,672.92 = 10,144.24 : x
2. Step 2: Convert to fraction form
   16,436.32/22,672.92 = 10,144.24/x
3. Step 3: Cross multiply
   16,436.32x = 22,672.92 × 10,144.24
4. Step 4: Simplify right side
   16,436.32x = 229,999,541.98
5. Step 5: Solve for x
   x = 229,999,541.98/16,436.32
6. Step 6: Final answer
   x = 13,993.37