Finding the Fourth Proportional to 37,067.29, 55,609.72 and 12,107.29

Step by Step Solution

1. Step 1: Write the proportion equation
   37,067.29 : 55,609.72 = 12,107.29 : x
2. Step 2: Convert to fraction form
   37,067.29/55,609.72 = 12,107.29/x
3. Step 3: Cross multiply
   37,067.29x = 55,609.72 × 12,107.29
4. Step 4: Simplify right side
   37,067.29x = 673,283,009.94
5. Step 5: Solve for x
   x = 673,283,009.94/37,067.29
6. Step 6: Final answer
   x = 18,163.81