Finding the Fourth Proportional to 141,517.98, 195,308.62 and 105,645.69

Step by Step Solution

1. Step 1: Write the proportion equation
   141,517.98 : 195,308.62 = 105,645.69 : x
2. Step 2: Convert to fraction form
   141,517.98/195,308.62 = 105,645.69/x
3. Step 3: Cross multiply
   141,517.98x = 195,308.62 × 105,645.69
4. Step 4: Simplify right side
   141,517.98x = 20,633,513,658.73
5. Step 5: Solve for x
   x = 20,633,513,658.73/141,517.98
6. Step 6: Final answer
   x = 145,801.36