Finding the Fourth Proportional to 67.68, 101.52 and 45.96

Step by Step Solution

1. Step 1: Write the proportion equation
   67.68 : 101.52 = 45.96 : x
2. Step 2: Convert to fraction form
   67.68/101.52 = 45.96/x
3. Step 3: Cross multiply
   67.68x = 101.52 × 45.96
4. Step 4: Simplify right side
   67.68x = 4,665.86
5. Step 5: Solve for x
   x = 4,665.86/67.68
6. Step 6: Final answer
   x = 68.94