Finding the Fourth Proportional to 72.04, 107.94 and 35.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72.04 : 107.94 = 35.96 : x
2. Step 2: Convert to fraction form
   72.04/107.94 = 35.96/x
3. Step 3: Cross multiply
   72.04x = 107.94 × 35.96
4. Step 4: Simplify right side
   72.04x = 3,881.52
5. Step 5: Solve for x
   x = 3,881.52/72.04
6. Step 6: Final answer
   x = 53.88