Finding the Fourth Proportional to 67.38, 100.82 and 58.48

Step by Step Solution

1. Step 1: Write the proportion equation
   67.38 : 100.82 = 58.48 : x
2. Step 2: Convert to fraction form
   67.38/100.82 = 58.48/x
3. Step 3: Cross multiply
   67.38x = 100.82 × 58.48
4. Step 4: Simplify right side
   67.38x = 5,895.95
5. Step 5: Solve for x
   x = 5,895.95/67.38
6. Step 6: Final answer
   x = 87.50