Finding the Fourth Proportional to 67.58, 93.29 and 42.71

Step by Step Solution

1. Step 1: Write the proportion equation
   67.58 : 93.29 = 42.71 : x
2. Step 2: Convert to fraction form
   67.58/93.29 = 42.71/x
3. Step 3: Cross multiply
   67.58x = 93.29 × 42.71
4. Step 4: Simplify right side
   67.58x = 3,983.95
5. Step 5: Solve for x
   x = 3,983.95/67.58
6. Step 6: Final answer
   x = 58.95