Finding the Fourth Proportional to 94.34, 141.58 and 42.30

Step by Step Solution

1. Step 1: Write the proportion equation
   94.34 : 141.58 = 42.30 : x
2. Step 2: Convert to fraction form
   94.34/141.58 = 42.30/x
3. Step 3: Cross multiply
   94.34x = 141.58 × 42.30
4. Step 4: Simplify right side
   94.34x = 5,988.49
5. Step 5: Solve for x
   x = 5,988.49/94.34
6. Step 6: Final answer
   x = 63.48