Finding the Fourth Proportional to 33,185.60, 49,785.78 and 12,125.61

Step by Step Solution

1. Step 1: Write the proportion equation
   33,185.60 : 49,785.78 = 12,125.61 : x
2. Step 2: Convert to fraction form
   33,185.60/49,785.78 = 12,125.61/x
3. Step 3: Cross multiply
   33,185.60x = 49,785.78 × 12,125.61
4. Step 4: Simplify right side
   33,185.60x = 603,682,951.83
5. Step 5: Solve for x
   x = 603,682,951.83/33,185.60
6. Step 6: Final answer
   x = 18,191.11