Finding the Fourth Proportional to 141,224.56, 195,016.38 and 105,352.24

Step by Step Solution

1. Step 1: Write the proportion equation
   141,224.56 : 195,016.38 = 105,352.24 : x
2. Step 2: Convert to fraction form
   141,224.56/195,016.38 = 105,352.24/x
3. Step 3: Cross multiply
   141,224.56x = 195,016.38 × 105,352.24
4. Step 4: Simplify right side
   141,224.56x = 20,545,412,469.69
5. Step 5: Solve for x
   x = 20,545,412,469.69/141,224.56
6. Step 6: Final answer
   x = 145,480.45