Finding the Fourth Proportional to 33,238.10, 49,851.24 and 13,245.92

Step by Step Solution

1. Step 1: Write the proportion equation
   33,238.10 : 49,851.24 = 13,245.92 : x
2. Step 2: Convert to fraction form
   33,238.10/49,851.24 = 13,245.92/x
3. Step 3: Cross multiply
   33,238.10x = 49,851.24 × 13,245.92
4. Step 4: Simplify right side
   33,238.10x = 660,325,287.68
5. Step 5: Solve for x
   x = 660,325,287.68/33,238.10
6. Step 6: Final answer
   x = 19,866.52