Finding the Fourth Proportional to 86,086.53, 118,765.25 and 49,781.27

Step by Step Solution

1. Step 1: Write the proportion equation
   86,086.53 : 118,765.25 = 49,781.27 : x
2. Step 2: Convert to fraction form
   86,086.53/118,765.25 = 49,781.27/x
3. Step 3: Cross multiply
   86,086.53x = 118,765.25 × 49,781.27
4. Step 4: Simplify right side
   86,086.53x = 5,912,284,320.81
5. Step 5: Solve for x
   x = 5,912,284,320.81/86,086.53
6. Step 6: Final answer
   x = 68,678.39