Finding the Fourth Proportional to 78,196.35, 117,481.47 and 50,171.45

Step by Step Solution

1. Step 1: Write the proportion equation
   78,196.35 : 117,481.47 = 50,171.45 : x
2. Step 2: Convert to fraction form
   78,196.35/117,481.47 = 50,171.45/x
3. Step 3: Cross multiply
   78,196.35x = 117,481.47 × 50,171.45
4. Step 4: Simplify right side
   78,196.35x = 5,894,215,110.62
5. Step 5: Solve for x
   x = 5,894,215,110.62/78,196.35
6. Step 6: Final answer
   x = 75,377.11