Finding the Fourth Proportional to 1,597.42, 2,396.12 and 443.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,597.42 : 2,396.12 = 443.17 : x
2. Step 2: Convert to fraction form
   1,597.42/2,396.12 = 443.17/x
3. Step 3: Cross multiply
   1,597.42x = 2,396.12 × 443.17
4. Step 4: Simplify right side
   1,597.42x = 1,061,888.50
5. Step 5: Solve for x
   x = 1,061,888.50/1,597.42
6. Step 6: Final answer
   x = 664.75