Finding the Fourth Proportional to 107.34, 160.98 and 42.34

Step by Step Solution

1. Step 1: Write the proportion equation
   107.34 : 160.98 = 42.34 : x
2. Step 2: Convert to fraction form
   107.34/160.98 = 42.34/x
3. Step 3: Cross multiply
   107.34x = 160.98 × 42.34
4. Step 4: Simplify right side
   107.34x = 6,815.89
5. Step 5: Solve for x
   x = 6,815.89/107.34
6. Step 6: Final answer
   x = 63.50