Finding the Fourth Proportional to 67.36, 92.98 and 42.82

Step by Step Solution

1. Step 1: Write the proportion equation
   67.36 : 92.98 = 42.82 : x
2. Step 2: Convert to fraction form
   67.36/92.98 = 42.82/x
3. Step 3: Cross multiply
   67.36x = 92.98 × 42.82
4. Step 4: Simplify right side
   67.36x = 3,980.83
5. Step 5: Solve for x
   x = 3,980.83/67.36
6. Step 6: Final answer
   x = 59.10