Finding the Fourth Proportional to 67.01, 92.45 and 42.43

Step by Step Solution

1. Step 1: Write the proportion equation
   67.01 : 92.45 = 42.43 : x
2. Step 2: Convert to fraction form
   67.01/92.45 = 42.43/x
3. Step 3: Cross multiply
   67.01x = 92.45 × 42.43
4. Step 4: Simplify right side
   67.01x = 3,922.53
5. Step 5: Solve for x
   x = 3,922.53/67.01
6. Step 6: Final answer
   x = 58.53