Finding the Fourth Proportional to 89.74, 123.76 and 73.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89.74 : 123.76 = 73.34 : x
2. Step 2: Convert to fraction form
   89.74/123.76 = 73.34/x
3. Step 3: Cross multiply
   89.74x = 123.76 × 73.34
4. Step 4: Simplify right side
   89.74x = 9,076.56
5. Step 5: Solve for x
   x = 9,076.56/89.74
6. Step 6: Final answer
   x = 101.14