Finding the Fourth Proportional to 86,801.74, 119,786.91 and 50,524.72

Step by Step Solution

1. Step 1: Write the proportion equation
   86,801.74 : 119,786.91 = 50,524.72 : x
2. Step 2: Convert to fraction form
   86,801.74/119,786.91 = 50,524.72/x
3. Step 3: Cross multiply
   86,801.74x = 119,786.91 × 50,524.72
4. Step 4: Simplify right side
   86,801.74x = 6,052,200,087.42
5. Step 5: Solve for x
   x = 6,052,200,087.42/86,801.74
6. Step 6: Final answer
   x = 69,724.41