Finding the Fourth Proportional to 67.34, 100.93 and 53.84

Step by Step Solution

1. Step 1: Write the proportion equation
   67.34 : 100.93 = 53.84 : x
2. Step 2: Convert to fraction form
   67.34/100.93 = 53.84/x
3. Step 3: Cross multiply
   67.34x = 100.93 × 53.84
4. Step 4: Simplify right side
   67.34x = 5,434.07
5. Step 5: Solve for x
   x = 5,434.07/67.34
6. Step 6: Final answer
   x = 80.70