Finding the Fourth Proportional to 52.74, 72.72 and 35.27

Step by Step Solution

1. Step 1: Write the proportion equation
   52.74 : 72.72 = 35.27 : x
2. Step 2: Convert to fraction form
   52.74/72.72 = 35.27/x
3. Step 3: Cross multiply
   52.74x = 72.72 × 35.27
4. Step 4: Simplify right side
   52.74x = 2,564.83
5. Step 5: Solve for x
   x = 2,564.83/52.74
6. Step 6: Final answer
   x = 48.63