Finding the Fourth Proportional to 72.42, 108.55 and 35.83

Step by Step Solution

1. Step 1: Write the proportion equation
   72.42 : 108.55 = 35.83 : x
2. Step 2: Convert to fraction form
   72.42/108.55 = 35.83/x
3. Step 3: Cross multiply
   72.42x = 108.55 × 35.83
4. Step 4: Simplify right side
   72.42x = 3,889.53
5. Step 5: Solve for x
   x = 3,889.53/72.42
6. Step 6: Final answer
   x = 53.71