Finding the Fourth Proportional to 80,783.32, 111,464.70 and 48,933.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,783.32 : 111,464.70 = 48,933.72 : x
2. Step 2: Convert to fraction form
   80,783.32/111,464.70 = 48,933.72/x
3. Step 3: Cross multiply
   80,783.32x = 111,464.70 × 48,933.72
4. Step 4: Simplify right side
   80,783.32x = 5,454,382,419.68
5. Step 5: Solve for x
   x = 5,454,382,419.68/80,783.32
6. Step 6: Final answer
   x = 67,518.67