Finding the Fourth Proportional to 196,413.54, 294,749.51 and 107,729.25

Step by Step Solution

1. Step 1: Write the proportion equation
   196,413.54 : 294,749.51 = 107,729.25 : x
2. Step 2: Convert to fraction form
   196,413.54/294,749.51 = 107,729.25/x
3. Step 3: Cross multiply
   196,413.54x = 294,749.51 × 107,729.25
4. Step 4: Simplify right side
   196,413.54x = 31,753,143,111.52
5. Step 5: Solve for x
   x = 31,753,143,111.52/196,413.54
6. Step 6: Final answer
   x = 161,664.74