Finding the Fourth Proportional to 131.69, 181.73 and 73.49

Step by Step Solution

1. Step 1: Write the proportion equation
   131.69 : 181.73 = 73.49 : x
2. Step 2: Convert to fraction form
   131.69/181.73 = 73.49/x
3. Step 3: Cross multiply
   131.69x = 181.73 × 73.49
4. Step 4: Simplify right side
   131.69x = 13,354.61
5. Step 5: Solve for x
   x = 13,354.61/131.69
6. Step 6: Final answer
   x = 101.41