Finding the Fourth Proportional to 167.30, 250.71 and 131.42

Step by Step Solution

1. Step 1: Write the proportion equation
   167.30 : 250.71 = 131.42 : x
2. Step 2: Convert to fraction form
   167.30/250.71 = 131.42/x
3. Step 3: Cross multiply
   167.30x = 250.71 × 131.42
4. Step 4: Simplify right side
   167.30x = 32,948.31
5. Step 5: Solve for x
   x = 32,948.31/167.30
6. Step 6: Final answer
   x = 196.94