Finding the Fourth Proportional to 80,913.45, 111,658.24 and 45,102.69

Step by Step Solution

1. Step 1: Write the proportion equation
   80,913.45 : 111,658.24 = 45,102.69 : x
2. Step 2: Convert to fraction form
   80,913.45/111,658.24 = 45,102.69/x
3. Step 3: Cross multiply
   80,913.45x = 111,658.24 × 45,102.69
4. Step 4: Simplify right side
   80,913.45x = 5,036,086,984.67
5. Step 5: Solve for x
   x = 5,036,086,984.67/80,913.45
6. Step 6: Final answer
   x = 62,240.42