Finding the Fourth Proportional to 80,976.08, 111,747.20 and 45,168.42

Step by Step Solution

1. Step 1: Write the proportion equation
   80,976.08 : 111,747.20 = 45,168.42 : x
2. Step 2: Convert to fraction form
   80,976.08/111,747.20 = 45,168.42/x
3. Step 3: Cross multiply
   80,976.08x = 111,747.20 × 45,168.42
4. Step 4: Simplify right side
   80,976.08x = 5,047,444,463.42
5. Step 5: Solve for x
   x = 5,047,444,463.42/80,976.08
6. Step 6: Final answer
   x = 62,332.54