Finding the Fourth Proportional to 86,850.50, 119,853.73 and 49,123.94

Step by Step Solution

1. Step 1: Write the proportion equation
   86,850.50 : 119,853.73 = 49,123.94 : x
2. Step 2: Convert to fraction form
   86,850.50/119,853.73 = 49,123.94/x
3. Step 3: Cross multiply
   86,850.50x = 119,853.73 × 49,123.94
4. Step 4: Simplify right side
   86,850.50x = 5,887,687,441.30
5. Step 5: Solve for x
   x = 5,887,687,441.30/86,850.50
6. Step 6: Final answer
   x = 67,791.06