Finding the Fourth Proportional to 50,101.16, 69,138.42 and 28,879.16

Step by Step Solution

1. Step 1: Write the proportion equation
   50,101.16 : 69,138.42 = 28,879.16 : x
2. Step 2: Convert to fraction form
   50,101.16/69,138.42 = 28,879.16/x
3. Step 3: Cross multiply
   50,101.16x = 69,138.42 × 28,879.16
4. Step 4: Simplify right side
   50,101.16x = 1,996,659,493.33
5. Step 5: Solve for x
   x = 1,996,659,493.33/50,101.16
6. Step 6: Final answer
   x = 39,852.56