Finding the Fourth Proportional to 80,933.50, 111,689.63 and 45,119.55

Step by Step Solution

1. Step 1: Write the proportion equation
   80,933.50 : 111,689.63 = 45,119.55 : x
2. Step 2: Convert to fraction form
   80,933.50/111,689.63 = 45,119.55/x
3. Step 3: Cross multiply
   80,933.50x = 111,689.63 × 45,119.55
4. Step 4: Simplify right side
   80,933.50x = 5,039,385,845.27
5. Step 5: Solve for x
   x = 5,039,385,845.27/80,933.50
6. Step 6: Final answer
   x = 62,265.76