Finding the Fourth Proportional to 86,086.62, 118,781.10 and 50,260.35

Step by Step Solution

1. Step 1: Write the proportion equation
   86,086.62 : 118,781.10 = 50,260.35 : x
2. Step 2: Convert to fraction form
   86,086.62/118,781.10 = 50,260.35/x
3. Step 3: Cross multiply
   86,086.62x = 118,781.10 × 50,260.35
4. Step 4: Simplify right side
   86,086.62x = 5,969,979,659.39
5. Step 5: Solve for x
   x = 5,969,979,659.39/86,086.62
6. Step 6: Final answer
   x = 69,348.52