Finding the Fourth Proportional to 73.38, 101.27 and 42.30

Step by Step Solution

1. Step 1: Write the proportion equation
   73.38 : 101.27 = 42.30 : x
2. Step 2: Convert to fraction form
   73.38/101.27 = 42.30/x
3. Step 3: Cross multiply
   73.38x = 101.27 × 42.30
4. Step 4: Simplify right side
   73.38x = 4,283.72
5. Step 5: Solve for x
   x = 4,283.72/73.38
6. Step 6: Final answer
   x = 58.38