Finding the Fourth Proportional to 67.09, 100.59 and 49.94

Step by Step Solution

1. Step 1: Write the proportion equation
   67.09 : 100.59 = 49.94 : x
2. Step 2: Convert to fraction form
   67.09/100.59 = 49.94/x
3. Step 3: Cross multiply
   67.09x = 100.59 × 49.94
4. Step 4: Simplify right side
   67.09x = 5,023.46
5. Step 5: Solve for x
   x = 5,023.46/67.09
6. Step 6: Final answer
   x = 74.88