Finding the Fourth Proportional to 16,068.72, 22,178.73 and 9,786.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,068.72 : 22,178.73 = 9,786.36 : x
2. Step 2: Convert to fraction form
   16,068.72/22,178.73 = 9,786.36/x
3. Step 3: Cross multiply
   16,068.72x = 22,178.73 × 9,786.36
4. Step 4: Simplify right side
   16,068.72x = 217,049,036.12
5. Step 5: Solve for x
   x = 217,049,036.12/16,068.72
6. Step 6: Final answer
   x = 13,507.55