Finding the Fourth Proportional to 93.82, 140.71 and 42.46

Step by Step Solution

1. Step 1: Write the proportion equation
   93.82 : 140.71 = 42.46 : x
2. Step 2: Convert to fraction form
   93.82/140.71 = 42.46/x
3. Step 3: Cross multiply
   93.82x = 140.71 × 42.46
4. Step 4: Simplify right side
   93.82x = 5,974.55
5. Step 5: Solve for x
   x = 5,974.55/93.82
6. Step 6: Final answer
   x = 63.68