Finding the Fourth Proportional to 105.05, 157.60 and 32.91

Step by Step Solution

1. Step 1: Write the proportion equation
   105.05 : 157.60 = 32.91 : x
2. Step 2: Convert to fraction form
   105.05/157.60 = 32.91/x
3. Step 3: Cross multiply
   105.05x = 157.60 × 32.91
4. Step 4: Simplify right side
   105.05x = 5,185.88
5. Step 5: Solve for x
   x = 5,185.88/105.05
6. Step 6: Final answer
   x = 49.37