Finding the Fourth Proportional to 107.36, 160.89 and 56.04

Step by Step Solution

1. Step 1: Write the proportion equation
   107.36 : 160.89 = 56.04 : x
2. Step 2: Convert to fraction form
   107.36/160.89 = 56.04/x
3. Step 3: Cross multiply
   107.36x = 160.89 × 56.04
4. Step 4: Simplify right side
   107.36x = 9,016.72
5. Step 5: Solve for x
   x = 9,016.72/107.36
6. Step 6: Final answer
   x = 83.99