Finding the Fourth Proportional to 36,879.72, 50,894.52 and 20,112.72

Step by Step Solution

1. Step 1: Write the proportion equation
   36,879.72 : 50,894.52 = 20,112.72 : x
2. Step 2: Convert to fraction form
   36,879.72/50,894.52 = 20,112.72/x
3. Step 3: Cross multiply
   36,879.72x = 50,894.52 × 20,112.72
4. Step 4: Simplify right side
   36,879.72x = 1,023,627,230.29
5. Step 5: Solve for x
   x = 1,023,627,230.29/36,879.72
6. Step 6: Final answer
   x = 27,755.83