Finding the Fourth Proportional to 37,205.98, 55,797.12 and 12,240.20

Step by Step Solution

1. Step 1: Write the proportion equation
   37,205.98 : 55,797.12 = 12,240.20 : x
2. Step 2: Convert to fraction form
   37,205.98/55,797.12 = 12,240.20/x
3. Step 3: Cross multiply
   37,205.98x = 55,797.12 × 12,240.20
4. Step 4: Simplify right side
   37,205.98x = 682,968,047.72
5. Step 5: Solve for x
   x = 682,968,047.72/37,205.98
6. Step 6: Final answer
   x = 18,356.41