Finding the Fourth Proportional to 1,017.45, 1,403.89 and 597.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.45 : 1,403.89 = 597.82 : x
2. Step 2: Convert to fraction form
   1,017.45/1,403.89 = 597.82/x
3. Step 3: Cross multiply
   1,017.45x = 1,403.89 × 597.82
4. Step 4: Simplify right side
   1,017.45x = 839,273.38
5. Step 5: Solve for x
   x = 839,273.38/1,017.45
6. Step 6: Final answer
   x = 824.88