Finding the Fourth Proportional to 141,851.97, 195,755.72 and 78,191.10

Step by Step Solution

1. Step 1: Write the proportion equation
   141,851.97 : 195,755.72 = 78,191.10 : x
2. Step 2: Convert to fraction form
   141,851.97/195,755.72 = 78,191.10/x
3. Step 3: Cross multiply
   141,851.97x = 195,755.72 × 78,191.10
4. Step 4: Simplify right side
   141,851.97x = 15,306,354,687.14
5. Step 5: Solve for x
   x = 15,306,354,687.14/141,851.97
6. Step 6: Final answer
   x = 107,903.72