Finding the Fourth Proportional to 191,152.77, 263,797.56 and 105,118.29

Step by Step Solution

1. Step 1: Write the proportion equation
   191,152.77 : 263,797.56 = 105,118.29 : x
2. Step 2: Convert to fraction form
   191,152.77/263,797.56 = 105,118.29/x
3. Step 3: Cross multiply
   191,152.77x = 263,797.56 × 105,118.29
4. Step 4: Simplify right side
   191,152.77x = 27,729,948,413.37
5. Step 5: Solve for x
   x = 27,729,948,413.37/191,152.77
6. Step 6: Final answer
   x = 145,066.95