Finding the Fourth Proportional to 80,662.72, 111,298.24 and 47,122.24

Step by Step Solution

1. Step 1: Write the proportion equation
   80,662.72 : 111,298.24 = 47,122.24 : x
2. Step 2: Convert to fraction form
   80,662.72/111,298.24 = 47,122.24/x
3. Step 3: Cross multiply
   80,662.72x = 111,298.24 × 47,122.24
4. Step 4: Simplify right side
   80,662.72x = 5,244,622,376.86
5. Step 5: Solve for x
   x = 5,244,622,376.86/80,662.72
6. Step 6: Final answer
   x = 65,019.16