Finding the Fourth Proportional to 33,570.72, 46,323.84 and 20,142.54

Step by Step Solution

1. Step 1: Write the proportion equation
   33,570.72 : 46,323.84 = 20,142.54 : x
2. Step 2: Convert to fraction form
   33,570.72/46,323.84 = 20,142.54/x
3. Step 3: Cross multiply
   33,570.72x = 46,323.84 × 20,142.54
4. Step 4: Simplify right side
   33,570.72x = 933,079,800.15
5. Step 5: Solve for x
   x = 933,079,800.15/33,570.72
6. Step 6: Final answer
   x = 27,794.45