Finding the Fourth Proportional to 80,546.28, 111,162.60 and 48,732.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,546.28 : 111,162.60 = 48,732.72 : x
2. Step 2: Convert to fraction form
   80,546.28/111,162.60 = 48,732.72/x
3. Step 3: Cross multiply
   80,546.28x = 111,162.60 × 48,732.72
4. Step 4: Simplify right side
   80,546.28x = 5,417,255,860.27
5. Step 5: Solve for x
   x = 5,417,255,860.27/80,546.28
6. Step 6: Final answer
   x = 67,256.44