Finding the Fourth Proportional to 78,483.03, 117,721.92 and 34,109.78

Step by Step Solution

1. Step 1: Write the proportion equation
   78,483.03 : 117,721.92 = 34,109.78 : x
2. Step 2: Convert to fraction form
   78,483.03/117,721.92 = 34,109.78/x
3. Step 3: Cross multiply
   78,483.03x = 117,721.92 × 34,109.78
4. Step 4: Simplify right side
   78,483.03x = 4,015,469,022.73
5. Step 5: Solve for x
   x = 4,015,469,022.73/78,483.03
6. Step 6: Final answer
   x = 51,163.53