Finding the Fourth Proportional to 50,249.92, 69,357.12 and 30,118.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,249.92 : 69,357.12 = 30,118.72 : x
2. Step 2: Convert to fraction form
   50,249.92/69,357.12 = 30,118.72/x
3. Step 3: Cross multiply
   50,249.92x = 69,357.12 × 30,118.72
4. Step 4: Simplify right side
   50,249.92x = 2,088,947,677.29
5. Step 5: Solve for x
   x = 2,088,947,677.29/50,249.92
6. Step 6: Final answer
   x = 41,571.16