Finding the Fourth Proportional to 443.42, 611.93 and 268.82

Step by Step Solution

1. Step 1: Write the proportion equation
   443.42 : 611.93 = 268.82 : x
2. Step 2: Convert to fraction form
   443.42/611.93 = 268.82/x
3. Step 3: Cross multiply
   443.42x = 611.93 × 268.82
4. Step 4: Simplify right side
   443.42x = 164,499.02
5. Step 5: Solve for x
   x = 164,499.02/443.42
6. Step 6: Final answer
   x = 370.98