Finding the Fourth Proportional to 80,458.56, 111,036.06 and 48,621.24

Step by Step Solution

1. Step 1: Write the proportion equation
   80,458.56 : 111,036.06 = 48,621.24 : x
2. Step 2: Convert to fraction form
   80,458.56/111,036.06 = 48,621.24/x
3. Step 3: Cross multiply
   80,458.56x = 111,036.06 × 48,621.24
4. Step 4: Simplify right side
   80,458.56x = 5,398,710,921.91
5. Step 5: Solve for x
   x = 5,398,710,921.91/80,458.56
6. Step 6: Final answer
   x = 67,099.27