Finding the Fourth Proportional to 141,942.69, 195,894.72 and 106,070.40

Step by Step Solution

1. Step 1: Write the proportion equation
   141,942.69 : 195,894.72 = 106,070.40 : x
2. Step 2: Convert to fraction form
   141,942.69/195,894.72 = 106,070.40/x
3. Step 3: Cross multiply
   141,942.69x = 195,894.72 × 106,070.40
4. Step 4: Simplify right side
   141,942.69x = 20,778,631,308.29
5. Step 5: Solve for x
   x = 20,778,631,308.29/141,942.69
6. Step 6: Final answer
   x = 146,387.47