Finding the Fourth Proportional to 67.50, 101.18 and 61.38

Step by Step Solution

1. Step 1: Write the proportion equation
   67.50 : 101.18 = 61.38 : x
2. Step 2: Convert to fraction form
   67.50/101.18 = 61.38/x
3. Step 3: Cross multiply
   67.50x = 101.18 × 61.38
4. Step 4: Simplify right side
   67.50x = 6,210.43
5. Step 5: Solve for x
   x = 6,210.43/67.50
6. Step 6: Final answer
   x = 92.01