Finding the Fourth Proportional to 78,003.95, 117,198.50 and 49,936.23

Step by Step Solution

1. Step 1: Write the proportion equation
   78,003.95 : 117,198.50 = 49,936.23 : x
2. Step 2: Convert to fraction form
   78,003.95/117,198.50 = 49,936.23/x
3. Step 3: Cross multiply
   78,003.95x = 117,198.50 × 49,936.23
4. Step 4: Simplify right side
   78,003.95x = 5,852,451,001.97
5. Step 5: Solve for x
   x = 5,852,451,001.97/78,003.95
6. Step 6: Final answer
   x = 75,027.63