Finding the Fourth Proportional to 80,935.56, 111,687 and 45,118.62

Step by Step Solution

1. Step 1: Write the proportion equation
   80,935.56 : 111,687 = 45,118.62 : x
2. Step 2: Convert to fraction form
   80,935.56/111,687 = 45,118.62/x
3. Step 3: Cross multiply
   80,935.56x = 111,687 × 45,118.62
4. Step 4: Simplify right side
   80,935.56x = 5,039,163,311.94
5. Step 5: Solve for x
   x = 5,039,163,311.94/80,935.56
6. Step 6: Final answer
   x = 62,261.43