Finding the Fourth Proportional to 141,864.37, 195,786.64 and 105,992.10

Step by Step Solution

1. Step 1: Write the proportion equation
   141,864.37 : 195,786.64 = 105,992.10 : x
2. Step 2: Convert to fraction form
   141,864.37/195,786.64 = 105,992.10/x
3. Step 3: Cross multiply
   141,864.37x = 195,786.64 × 105,992.10
4. Step 4: Simplify right side
   141,864.37x = 20,751,837,350.03
5. Step 5: Solve for x
   x = 20,751,837,350.03/141,864.37
6. Step 6: Final answer
   x = 146,279.42