Finding the Fourth Proportional to 105.37, 158.05 and 47.59

Step by Step Solution

1. Step 1: Write the proportion equation
   105.37 : 158.05 = 47.59 : x
2. Step 2: Convert to fraction form
   105.37/158.05 = 47.59/x
3. Step 3: Cross multiply
   105.37x = 158.05 × 47.59
4. Step 4: Simplify right side
   105.37x = 7,521.09
5. Step 5: Solve for x
   x = 7,521.09/105.37
6. Step 6: Final answer
   x = 71.38