Finding the Fourth Proportional to 33,871, 46,743.42 and 19,721.56

Step by Step Solution

1. Step 1: Write the proportion equation
   33,871 : 46,743.42 = 19,721.56 : x
2. Step 2: Convert to fraction form
   33,871/46,743.42 = 19,721.56/x
3. Step 3: Cross multiply
   33,871x = 46,743.42 × 19,721.56
4. Step 4: Simplify right side
   33,871x = 921,853,162.14
5. Step 5: Solve for x
   x = 921,853,162.14/33,871
6. Step 6: Final answer
   x = 27,216.59