Finding the Fourth Proportional to 80,492.43, 111,079.98 and 50,295.28

Step by Step Solution

1. Step 1: Write the proportion equation
   80,492.43 : 111,079.98 = 50,295.28 : x
2. Step 2: Convert to fraction form
   80,492.43/111,079.98 = 50,295.28/x
3. Step 3: Cross multiply
   80,492.43x = 111,079.98 × 50,295.28
4. Step 4: Simplify right side
   80,492.43x = 5,586,798,768.52
5. Step 5: Solve for x
   x = 5,586,798,768.52/80,492.43
6. Step 6: Final answer
   x = 69,407.75