Finding the Fourth Proportional to 16,436.66, 22,686.81 and 10,145.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,436.66 : 22,686.81 = 10,145.42 : x
2. Step 2: Convert to fraction form
   16,436.66/22,686.81 = 10,145.42/x
3. Step 3: Cross multiply
   16,436.66x = 22,686.81 × 10,145.42
4. Step 4: Simplify right side
   16,436.66x = 230,167,215.91
5. Step 5: Solve for x
   x = 230,167,215.91/16,436.66
6. Step 6: Final answer
   x = 14,003.28