Finding the Fourth Proportional to 131.98, 196.84 and 123.71

Step by Step Solution

1. Step 1: Write the proportion equation
   131.98 : 196.84 = 123.71 : x
2. Step 2: Convert to fraction form
   131.98/196.84 = 123.71/x
3. Step 3: Cross multiply
   131.98x = 196.84 × 123.71
4. Step 4: Simplify right side
   131.98x = 24,350.58
5. Step 5: Solve for x
   x = 24,350.58/131.98
6. Step 6: Final answer
   x = 184.51