Finding the Fourth Proportional to 72.93, 108.87 and 65.33

Step by Step Solution

1. Step 1: Write the proportion equation
   72.93 : 108.87 = 65.33 : x
2. Step 2: Convert to fraction form
   72.93/108.87 = 65.33/x
3. Step 3: Cross multiply
   72.93x = 108.87 × 65.33
4. Step 4: Simplify right side
   72.93x = 7,111.93
5. Step 5: Solve for x
   x = 7,111.93/72.93
6. Step 6: Final answer
   x = 97.52