Finding the Fourth Proportional to 50,998, 70,383.84 and 28,642

Step by Step Solution

1. Step 1: Write the proportion equation
   50,998 : 70,383.84 = 28,642 : x
2. Step 2: Convert to fraction form
   50,998/70,383.84 = 28,642/x
3. Step 3: Cross multiply
   50,998x = 70,383.84 × 28,642
4. Step 4: Simplify right side
   50,998x = 2,015,933,945.28
5. Step 5: Solve for x
   x = 2,015,933,945.28/50,998
6. Step 6: Final answer
   x = 39,529.67