Finding the Fourth Proportional to 33,078.06, 49,601.37 and 12,015.36

Step by Step Solution

1. Step 1: Write the proportion equation
   33,078.06 : 49,601.37 = 12,015.36 : x
2. Step 2: Convert to fraction form
   33,078.06/49,601.37 = 12,015.36/x
3. Step 3: Cross multiply
   33,078.06x = 49,601.37 × 12,015.36
4. Step 4: Simplify right side
   33,078.06x = 595,978,317.04
5. Step 5: Solve for x
   x = 595,978,317.04/33,078.06
6. Step 6: Final answer
   x = 18,017.33