Finding the Fourth Proportional to 33,170.40, 49,768.56 and 12,395.52

Step by Step Solution

1. Step 1: Write the proportion equation
   33,170.40 : 49,768.56 = 12,395.52 : x
2. Step 2: Convert to fraction form
   33,170.40/49,768.56 = 12,395.52/x
3. Step 3: Cross multiply
   33,170.40x = 49,768.56 × 12,395.52
4. Step 4: Simplify right side
   33,170.40x = 616,907,180.85
5. Step 5: Solve for x
   x = 616,907,180.85/33,170.40
6. Step 6: Final answer
   x = 18,598.12