Finding the Fourth Proportional to 141,791.99, 195,686.73 and 105,919.72

Step by Step Solution

1. Step 1: Write the proportion equation
   141,791.99 : 195,686.73 = 105,919.72 : x
2. Step 2: Convert to fraction form
   141,791.99/195,686.73 = 105,919.72/x
3. Step 3: Cross multiply
   141,791.99x = 195,686.73 × 105,919.72
4. Step 4: Simplify right side
   141,791.99x = 20,727,083,160.10
5. Step 5: Solve for x
   x = 20,727,083,160.10/141,791.99
6. Step 6: Final answer
   x = 146,179.51