Finding the Fourth Proportional to 67.50, 101.34 and 55.62

Step by Step Solution

1. Step 1: Write the proportion equation
   67.50 : 101.34 = 55.62 : x
2. Step 2: Convert to fraction form
   67.50/101.34 = 55.62/x
3. Step 3: Cross multiply
   67.50x = 101.34 × 55.62
4. Step 4: Simplify right side
   67.50x = 5,636.53
5. Step 5: Solve for x
   x = 5,636.53/67.50
6. Step 6: Final answer
   x = 83.50