Finding the Fourth Proportional to 80,983.41, 111,757.05 and 45,173.42

Step by Step Solution

1. Step 1: Write the proportion equation
   80,983.41 : 111,757.05 = 45,173.42 : x
2. Step 2: Convert to fraction form
   80,983.41/111,757.05 = 45,173.42/x
3. Step 3: Cross multiply
   80,983.41x = 111,757.05 × 45,173.42
4. Step 4: Simplify right side
   80,983.41x = 5,048,447,598.83
5. Step 5: Solve for x
   x = 5,048,447,598.83/80,983.41
6. Step 6: Final answer
   x = 62,339.28