Finding the Fourth Proportional to 33,081.09, 49,623.27 and 13,357.20

Step by Step Solution

1. Step 1: Write the proportion equation
   33,081.09 : 49,623.27 = 13,357.20 : x
2. Step 2: Convert to fraction form
   33,081.09/49,623.27 = 13,357.20/x
3. Step 3: Cross multiply
   33,081.09x = 49,623.27 × 13,357.20
4. Step 4: Simplify right side
   33,081.09x = 662,827,942.04
5. Step 5: Solve for x
   x = 662,827,942.04/33,081.09
6. Step 6: Final answer
   x = 20,036.46