Finding the Fourth Proportional to 37,067.73, 55,603.26 and 12,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,067.73 : 55,603.26 = 12,109.30 : x
2. Step 2: Convert to fraction form
   37,067.73/55,603.26 = 12,109.30/x
3. Step 3: Cross multiply
   37,067.73x = 55,603.26 × 12,109.30
4. Step 4: Simplify right side
   37,067.73x = 673,316,417.31
5. Step 5: Solve for x
   x = 673,316,417.31/37,067.73
6. Step 6: Final answer
   x = 18,164.49