Finding the Fourth Proportional to 80,442.09, 110,981.39 and 50,215.94

Step by Step Solution

1. Step 1: Write the proportion equation
   80,442.09 : 110,981.39 = 50,215.94 : x
2. Step 2: Convert to fraction form
   80,442.09/110,981.39 = 50,215.94/x
3. Step 3: Cross multiply
   80,442.09x = 110,981.39 × 50,215.94
4. Step 4: Simplify right side
   80,442.09x = 5,573,034,015.37
5. Step 5: Solve for x
   x = 5,573,034,015.37/80,442.09
6. Step 6: Final answer
   x = 69,280.07