Finding the Fourth Proportional to 164.34, 246.49 and 42.59

Step by Step Solution

1. Step 1: Write the proportion equation
   164.34 : 246.49 = 42.59 : x
2. Step 2: Convert to fraction form
   164.34/246.49 = 42.59/x
3. Step 3: Cross multiply
   164.34x = 246.49 × 42.59
4. Step 4: Simplify right side
   164.34x = 10,498.52
5. Step 5: Solve for x
   x = 10,498.52/164.34
6. Step 6: Final answer
   x = 63.88