Finding the Fourth Proportional to 67.92, 93.81 and 53.34

Step by Step Solution

1. Step 1: Write the proportion equation
   67.92 : 93.81 = 53.34 : x
2. Step 2: Convert to fraction form
   67.92/93.81 = 53.34/x
3. Step 3: Cross multiply
   67.92x = 93.81 × 53.34
4. Step 4: Simplify right side
   67.92x = 5,003.83
5. Step 5: Solve for x
   x = 5,003.83/67.92
6. Step 6: Final answer
   x = 73.67