Finding the Fourth Proportional to 353.25, 529.89 and 136.82

Step by Step Solution

1. Step 1: Write the proportion equation
   353.25 : 529.89 = 136.82 : x
2. Step 2: Convert to fraction form
   353.25/529.89 = 136.82/x
3. Step 3: Cross multiply
   353.25x = 529.89 × 136.82
4. Step 4: Simplify right side
   353.25x = 72,499.55
5. Step 5: Solve for x
   x = 72,499.55/353.25
6. Step 6: Final answer
   x = 205.24