Finding the Fourth Proportional to 80,648.84, 111,260.58 and 50,381.48

Step by Step Solution

1. Step 1: Write the proportion equation
   80,648.84 : 111,260.58 = 50,381.48 : x
2. Step 2: Convert to fraction form
   80,648.84/111,260.58 = 50,381.48/x
3. Step 3: Cross multiply
   80,648.84x = 111,260.58 × 50,381.48
4. Step 4: Simplify right side
   80,648.84x = 5,605,472,686.06
5. Step 5: Solve for x
   x = 5,605,472,686.06/80,648.84
6. Step 6: Final answer
   x = 69,504.69