Finding the Fourth Proportional to 1,597.01, 2,394.77 and 817.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,597.01 : 2,394.77 = 817.43 : x
2. Step 2: Convert to fraction form
   1,597.01/2,394.77 = 817.43/x
3. Step 3: Cross multiply
   1,597.01x = 2,394.77 × 817.43
4. Step 4: Simplify right side
   1,597.01x = 1,957,540.78
5. Step 5: Solve for x
   x = 1,957,540.78/1,597.01
6. Step 6: Final answer
   x = 1,225.76