Finding the Fourth Proportional to 215.82, 323.69 and 94.01

Step by Step Solution

1. Step 1: Write the proportion equation
   215.82 : 323.69 = 94.01 : x
2. Step 2: Convert to fraction form
   215.82/323.69 = 94.01/x
3. Step 3: Cross multiply
   215.82x = 323.69 × 94.01
4. Step 4: Simplify right side
   215.82x = 30,428.01
5. Step 5: Solve for x
   x = 30,428.01/215.82
6. Step 6: Final answer
   x = 140.99