Finding the Fourth Proportional to 67.48, 93.06 and 42.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67.48 : 93.06 = 42.56 : x
2. Step 2: Convert to fraction form
   67.48/93.06 = 42.56/x
3. Step 3: Cross multiply
   67.48x = 93.06 × 42.56
4. Step 4: Simplify right side
   67.48x = 3,960.17
5. Step 5: Solve for x
   x = 3,960.17/67.48
6. Step 6: Final answer
   x = 58.69