Finding the Fourth Proportional to 37,229.35, 55,850.94 and 12,271.15

Step by Step Solution

1. Step 1: Write the proportion equation
   37,229.35 : 55,850.94 = 12,271.15 : x
2. Step 2: Convert to fraction form
   37,229.35/55,850.94 = 12,271.15/x
3. Step 3: Cross multiply
   37,229.35x = 55,850.94 × 12,271.15
4. Step 4: Simplify right side
   37,229.35x = 685,354,921.77
5. Step 5: Solve for x
   x = 685,354,921.77/37,229.35
6. Step 6: Final answer
   x = 18,409.00