Finding the Fourth Proportional to 139,498.77, 192,523.37 and 79,062.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,498.77 : 192,523.37 = 79,062.94 : x
2. Step 2: Convert to fraction form
   139,498.77/192,523.37 = 79,062.94/x
3. Step 3: Cross multiply
   139,498.77x = 192,523.37 × 79,062.94
4. Step 4: Simplify right side
   139,498.77x = 15,221,462,413.30
5. Step 5: Solve for x
   x = 15,221,462,413.30/139,498.77
6. Step 6: Final answer
   x = 109,115.39