Finding the Fourth Proportional to 131.25, 196.77 and 73.47

Step by Step Solution

1. Step 1: Write the proportion equation
   131.25 : 196.77 = 73.47 : x
2. Step 2: Convert to fraction form
   131.25/196.77 = 73.47/x
3. Step 3: Cross multiply
   131.25x = 196.77 × 73.47
4. Step 4: Simplify right side
   131.25x = 14,456.69
5. Step 5: Solve for x
   x = 14,456.69/131.25
6. Step 6: Final answer
   x = 110.15