Finding the Fourth Proportional to 91.94, 126.56 and 67.34

Step by Step Solution

1. Step 1: Write the proportion equation
   91.94 : 126.56 = 67.34 : x
2. Step 2: Convert to fraction form
   91.94/126.56 = 67.34/x
3. Step 3: Cross multiply
   91.94x = 126.56 × 67.34
4. Step 4: Simplify right side
   91.94x = 8,522.55
5. Step 5: Solve for x
   x = 8,522.55/91.94
6. Step 6: Final answer
   x = 92.70