Finding the Fourth Proportional to 131.56, 181.56 and 73.34

Step by Step Solution

1. Step 1: Write the proportion equation
   131.56 : 181.56 = 73.34 : x
2. Step 2: Convert to fraction form
   131.56/181.56 = 73.34/x
3. Step 3: Cross multiply
   131.56x = 181.56 × 73.34
4. Step 4: Simplify right side
   131.56x = 13,315.61
5. Step 5: Solve for x
   x = 13,315.61/131.56
6. Step 6: Final answer
   x = 101.21