Finding the Fourth Proportional to 131.82, 196.33 and 123.39

Step by Step Solution

1. Step 1: Write the proportion equation
   131.82 : 196.33 = 123.39 : x
2. Step 2: Convert to fraction form
   131.82/196.33 = 123.39/x
3. Step 3: Cross multiply
   131.82x = 196.33 × 123.39
4. Step 4: Simplify right side
   131.82x = 24,223.56
5. Step 5: Solve for x
   x = 24,223.56/131.82
6. Step 6: Final answer
   x = 183.76