Finding the Fourth Proportional to 141.83, 195.71 and 86.56

Step by Step Solution

1. Step 1: Write the proportion equation
   141.83 : 195.71 = 86.56 : x
2. Step 2: Convert to fraction form
   141.83/195.71 = 86.56/x
3. Step 3: Cross multiply
   141.83x = 195.71 × 86.56
4. Step 4: Simplify right side
   141.83x = 16,940.38
5. Step 5: Solve for x
   x = 16,940.38/141.83
6. Step 6: Final answer
   x = 119.45