Finding the Fourth Proportional to 131.94, 196.83 and 124.74

Step by Step Solution

1. Step 1: Write the proportion equation
   131.94 : 196.83 = 124.74 : x
2. Step 2: Convert to fraction form
   131.94/196.83 = 124.74/x
3. Step 3: Cross multiply
   131.94x = 196.83 × 124.74
4. Step 4: Simplify right side
   131.94x = 24,552.57
5. Step 5: Solve for x
   x = 24,552.57/131.94
6. Step 6: Final answer
   x = 186.09