Finding the Fourth Proportional to 37,091.33, 55,640.42 and 12,131.52

Step by Step Solution

1. Step 1: Write the proportion equation
   37,091.33 : 55,640.42 = 12,131.52 : x
2. Step 2: Convert to fraction form
   37,091.33/55,640.42 = 12,131.52/x
3. Step 3: Cross multiply
   37,091.33x = 55,640.42 × 12,131.52
4. Step 4: Simplify right side
   37,091.33x = 675,002,868.04
5. Step 5: Solve for x
   x = 675,002,868.04/37,091.33
6. Step 6: Final answer
   x = 18,198.40