Finding the Fourth Proportional to 131.83, 196.42 and 117.46

Step by Step Solution

1. Step 1: Write the proportion equation
   131.83 : 196.42 = 117.46 : x
2. Step 2: Convert to fraction form
   131.83/196.42 = 117.46/x
3. Step 3: Cross multiply
   131.83x = 196.42 × 117.46
4. Step 4: Simplify right side
   131.83x = 23,070.51
5. Step 5: Solve for x
   x = 23,070.51/131.83
6. Step 6: Final answer
   x = 175.01