Finding the Fourth Proportional to 99.82, 137.53 and 73.54

Step by Step Solution

1. Step 1: Write the proportion equation
   99.82 : 137.53 = 73.54 : x
2. Step 2: Convert to fraction form
   99.82/137.53 = 73.54/x
3. Step 3: Cross multiply
   99.82x = 137.53 × 73.54
4. Step 4: Simplify right side
   99.82x = 10,113.96
5. Step 5: Solve for x
   x = 10,113.96/99.82
6. Step 6: Final answer
   x = 101.32