Finding the Fourth Proportional to 1,017.27, 1,403.88 and 597.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.27 : 1,403.88 = 597.69 : x
2. Step 2: Convert to fraction form
   1,017.27/1,403.88 = 597.69/x
3. Step 3: Cross multiply
   1,017.27x = 1,403.88 × 597.69
4. Step 4: Simplify right side
   1,017.27x = 839,085.04
5. Step 5: Solve for x
   x = 839,085.04/1,017.27
6. Step 6: Final answer
   x = 824.84