Finding the Fourth Proportional to 37,198.78, 55,786.29 and 12,233.10

Step by Step Solution

1. Step 1: Write the proportion equation
   37,198.78 : 55,786.29 = 12,233.10 : x
2. Step 2: Convert to fraction form
   37,198.78/55,786.29 = 12,233.10/x
3. Step 3: Cross multiply
   37,198.78x = 55,786.29 × 12,233.10
4. Step 4: Simplify right side
   37,198.78x = 682,439,264.20
5. Step 5: Solve for x
   x = 682,439,264.20/37,198.78
6. Step 6: Final answer
   x = 18,345.74