Finding the Fourth Proportional to 131.10, 196.72 and 73.46

Step by Step Solution

1. Step 1: Write the proportion equation
   131.10 : 196.72 = 73.46 : x
2. Step 2: Convert to fraction form
   131.10/196.72 = 73.46/x
3. Step 3: Cross multiply
   131.10x = 196.72 × 73.46
4. Step 4: Simplify right side
   131.10x = 14,451.05
5. Step 5: Solve for x
   x = 14,451.05/131.10
6. Step 6: Final answer
   x = 110.23