Finding the Fourth Proportional to 195,162.50, 269,324.52 and 105,738.50

Step by Step Solution

1. Step 1: Write the proportion equation
   195,162.50 : 269,324.52 = 105,738.50 : x
2. Step 2: Convert to fraction form
   195,162.50/269,324.52 = 105,738.50/x
3. Step 3: Cross multiply
   195,162.50x = 269,324.52 × 105,738.50
4. Step 4: Simplify right side
   195,162.50x = 28,477,970,758.02
5. Step 5: Solve for x
   x = 28,477,970,758.02/195,162.50
6. Step 6: Final answer
   x = 145,919.28