Finding the Fourth Proportional to 67.37, 92.99 and 42.81

Step by Step Solution

1. Step 1: Write the proportion equation
   67.37 : 92.99 = 42.81 : x
2. Step 2: Convert to fraction form
   67.37/92.99 = 42.81/x
3. Step 3: Cross multiply
   67.37x = 92.99 × 42.81
4. Step 4: Simplify right side
   67.37x = 3,980.69
5. Step 5: Solve for x
   x = 3,980.69/67.37
6. Step 6: Final answer
   x = 59.09