Finding the Fourth Proportional to 104.41, 156.59 and 42.69

Step by Step Solution

1. Step 1: Write the proportion equation
   104.41 : 156.59 = 42.69 : x
2. Step 2: Convert to fraction form
   104.41/156.59 = 42.69/x
3. Step 3: Cross multiply
   104.41x = 156.59 × 42.69
4. Step 4: Simplify right side
   104.41x = 6,684.83
5. Step 5: Solve for x
   x = 6,684.83/104.41
6. Step 6: Final answer
   x = 64.02