Finding the Fourth Proportional to 105.83, 157.89 and 96.09

Step by Step Solution

1. Step 1: Write the proportion equation
   105.83 : 157.89 = 96.09 : x
2. Step 2: Convert to fraction form
   105.83/157.89 = 96.09/x
3. Step 3: Cross multiply
   105.83x = 157.89 × 96.09
4. Step 4: Simplify right side
   105.83x = 15,171.42
5. Step 5: Solve for x
   x = 15,171.42/105.83
6. Step 6: Final answer
   x = 143.36