Finding the Fourth Proportional to 37,198.77, 55,801.83 and 12,228.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,198.77 : 55,801.83 = 12,228.69 : x
2. Step 2: Convert to fraction form
   37,198.77/55,801.83 = 12,228.69/x
3. Step 3: Cross multiply
   37,198.77x = 55,801.83 × 12,228.69
4. Step 4: Simplify right side
   37,198.77x = 682,383,280.50
5. Step 5: Solve for x
   x = 682,383,280.50/37,198.77
6. Step 6: Final answer
   x = 18,344.24