Finding the Fourth Proportional to 33,168.54, 49,766.48 and 13,442.06

Step by Step Solution

1. Step 1: Write the proportion equation
   33,168.54 : 49,766.48 = 13,442.06 : x
2. Step 2: Convert to fraction form
   33,168.54/49,766.48 = 13,442.06/x
3. Step 3: Cross multiply
   33,168.54x = 49,766.48 × 13,442.06
4. Step 4: Simplify right side
   33,168.54x = 668,964,010.15
5. Step 5: Solve for x
   x = 668,964,010.15/33,168.54
6. Step 6: Final answer
   x = 20,168.63