Finding the Fourth Proportional to 86,772.06, 119,735.69 and 49,046.31

Step by Step Solution

1. Step 1: Write the proportion equation
   86,772.06 : 119,735.69 = 49,046.31 : x
2. Step 2: Convert to fraction form
   86,772.06/119,735.69 = 49,046.31/x
3. Step 3: Cross multiply
   86,772.06x = 119,735.69 × 49,046.31
4. Step 4: Simplify right side
   86,772.06x = 5,872,593,524.57
5. Step 5: Solve for x
   x = 5,872,593,524.57/86,772.06
6. Step 6: Final answer
   x = 67,678.39