Finding the Fourth Proportional to 80,982.68, 111,756.28 and 45,175

Step by Step Solution

1. Step 1: Write the proportion equation
   80,982.68 : 111,756.28 = 45,175 : x
2. Step 2: Convert to fraction form
   80,982.68/111,756.28 = 45,175/x
3. Step 3: Cross multiply
   80,982.68x = 111,756.28 × 45,175
4. Step 4: Simplify right side
   80,982.68x = 5,048,589,949
5. Step 5: Solve for x
   x = 5,048,589,949/80,982.68
6. Step 6: Final answer
   x = 62,341.60