Finding the Fourth Proportional to 50,067.56, 69,101.70 and 28,859.15

Step by Step Solution

1. Step 1: Write the proportion equation
   50,067.56 : 69,101.70 = 28,859.15 : x
2. Step 2: Convert to fraction form
   50,067.56/69,101.70 = 28,859.15/x
3. Step 3: Cross multiply
   50,067.56x = 69,101.70 × 28,859.15
4. Step 4: Simplify right side
   50,067.56x = 1,994,216,325.56
5. Step 5: Solve for x
   x = 1,994,216,325.56/50,067.56
6. Step 6: Final answer
   x = 39,830.51