Finding the Fourth Proportional to 69.49, 104.06 and 42.01

Step by Step Solution

1. Step 1: Write the proportion equation
   69.49 : 104.06 = 42.01 : x
2. Step 2: Convert to fraction form
   69.49/104.06 = 42.01/x
3. Step 3: Cross multiply
   69.49x = 104.06 × 42.01
4. Step 4: Simplify right side
   69.49x = 4,371.41
5. Step 5: Solve for x
   x = 4,371.41/69.49
6. Step 6: Final answer
   x = 62.91