Finding the Fourth Proportional to 69.98, 104.56 and 67.59

Step by Step Solution

1. Step 1: Write the proportion equation
   69.98 : 104.56 = 67.59 : x
2. Step 2: Convert to fraction form
   69.98/104.56 = 67.59/x
3. Step 3: Cross multiply
   69.98x = 104.56 × 67.59
4. Step 4: Simplify right side
   69.98x = 7,067.04
5. Step 5: Solve for x
   x = 7,067.04/69.98
6. Step 6: Final answer
   x = 100.98