Finding the Fourth Proportional to 80,998.84, 111,705.72 and 50,787.46

Step by Step Solution

1. Step 1: Write the proportion equation
   80,998.84 : 111,705.72 = 50,787.46 : x
2. Step 2: Convert to fraction form
   80,998.84/111,705.72 = 50,787.46/x
3. Step 3: Cross multiply
   80,998.84x = 111,705.72 × 50,787.46
4. Step 4: Simplify right side
   80,998.84x = 5,673,249,786.27
5. Step 5: Solve for x
   x = 5,673,249,786.27/80,998.84
6. Step 6: Final answer
   x = 70,041.12