Finding the Fourth Proportional to 67.56, 93.16 and 42.96

Step by Step Solution

1. Step 1: Write the proportion equation
   67.56 : 93.16 = 42.96 : x
2. Step 2: Convert to fraction form
   67.56/93.16 = 42.96/x
3. Step 3: Cross multiply
   67.56x = 93.16 × 42.96
4. Step 4: Simplify right side
   67.56x = 4,002.15
5. Step 5: Solve for x
   x = 4,002.15/67.56
6. Step 6: Final answer
   x = 59.24