Finding the Fourth Proportional to 67.16, 100.49 and 50.00

Step by Step Solution

1. Step 1: Write the proportion equation
   67.16 : 100.49 = 50.00 : x
2. Step 2: Convert to fraction form
   67.16/100.49 = 50.00/x
3. Step 3: Cross multiply
   67.16x = 100.49 × 50.00
4. Step 4: Simplify right side
   67.16x = 5,023.75
5. Step 5: Solve for x
   x = 5,023.75/67.16
6. Step 6: Final answer
   x = 74.81