Finding the Fourth Proportional to 141,847.26, 195,749.61 and 78,185.31

Step by Step Solution

1. Step 1: Write the proportion equation
   141,847.26 : 195,749.61 = 78,185.31 : x
2. Step 2: Convert to fraction form
   141,847.26/195,749.61 = 78,185.31/x
3. Step 3: Cross multiply
   141,847.26x = 195,749.61 × 78,185.31
4. Step 4: Simplify right side
   141,847.26x = 15,304,743,940.23
5. Step 5: Solve for x
   x = 15,304,743,940.23/141,847.26
6. Step 6: Final answer
   x = 107,895.94