Finding the Fourth Proportional to 72.54, 108.70 and 35.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72.54 : 108.70 = 35.98 : x
2. Step 2: Convert to fraction form
   72.54/108.70 = 35.98/x
3. Step 3: Cross multiply
   72.54x = 108.70 × 35.98
4. Step 4: Simplify right side
   72.54x = 3,910.66
5. Step 5: Solve for x
   x = 3,910.66/72.54
6. Step 6: Final answer
   x = 53.91