Finding the Fourth Proportional to 42.67, 58.89 and 29.71

Step by Step Solution

1. Step 1: Write the proportion equation
   42.67 : 58.89 = 29.71 : x
2. Step 2: Convert to fraction form
   42.67/58.89 = 29.71/x
3. Step 3: Cross multiply
   42.67x = 58.89 × 29.71
4. Step 4: Simplify right side
   42.67x = 1,749.62
5. Step 5: Solve for x
   x = 1,749.62/42.67
6. Step 6: Final answer
   x = 41.00