Finding the Fourth Proportional to 37,229.57, 55,850.51 and 12,271.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,229.57 : 55,850.51 = 12,271.12 : x
2. Step 2: Convert to fraction form
   37,229.57/55,850.51 = 12,271.12/x
3. Step 3: Cross multiply
   37,229.57x = 55,850.51 × 12,271.12
4. Step 4: Simplify right side
   37,229.57x = 685,348,358.40
5. Step 5: Solve for x
   x = 685,348,358.40/37,229.57
6. Step 6: Final answer
   x = 18,408.71