Finding the Fourth Proportional to 141,866.62, 195,789.72 and 105,994.36

Step by Step Solution

1. Step 1: Write the proportion equation
   141,866.62 : 195,789.72 = 105,994.36 : x
2. Step 2: Convert to fraction form
   141,866.62/195,789.72 = 105,994.36/x
3. Step 3: Cross multiply
   141,866.62x = 195,789.72 × 105,994.36
4. Step 4: Simplify right side
   141,866.62x = 20,752,606,065.98
5. Step 5: Solve for x
   x = 20,752,606,065.98/141,866.62
6. Step 6: Final answer
   x = 146,282.52