Finding the Fourth Proportional to 215.33, 297.27 and 141.82

Step by Step Solution

1. Step 1: Write the proportion equation
   215.33 : 297.27 = 141.82 : x
2. Step 2: Convert to fraction form
   215.33/297.27 = 141.82/x
3. Step 3: Cross multiply
   215.33x = 297.27 × 141.82
4. Step 4: Simplify right side
   215.33x = 42,158.09
5. Step 5: Solve for x
   x = 42,158.09/215.33
6. Step 6: Final answer
   x = 195.79