Finding the Fourth Proportional to 152.72, 210.71 and 97.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152.72 : 210.71 = 97.52 : x
2. Step 2: Convert to fraction form
   152.72/210.71 = 97.52/x
3. Step 3: Cross multiply
   152.72x = 210.71 × 97.52
4. Step 4: Simplify right side
   152.72x = 20,549.21
5. Step 5: Solve for x
   x = 20,549.21/152.72
6. Step 6: Final answer
   x = 134.56