Finding the Fourth Proportional to 131.83, 196.83 and 118.16

Step by Step Solution

1. Step 1: Write the proportion equation
   131.83 : 196.83 = 118.16 : x
2. Step 2: Convert to fraction form
   131.83/196.83 = 118.16/x
3. Step 3: Cross multiply
   131.83x = 196.83 × 118.16
4. Step 4: Simplify right side
   131.83x = 23,257.19
5. Step 5: Solve for x
   x = 23,257.19/131.83
6. Step 6: Final answer
   x = 176.42