Finding the Fourth Proportional to 1,017.97, 1,404.85 and 598.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.97 : 1,404.85 = 598.46 : x
2. Step 2: Convert to fraction form
   1,017.97/1,404.85 = 598.46/x
3. Step 3: Cross multiply
   1,017.97x = 1,404.85 × 598.46
4. Step 4: Simplify right side
   1,017.97x = 840,740.82
5. Step 5: Solve for x
   x = 840,740.82/1,017.97
6. Step 6: Final answer
   x = 825.90