Finding the Fourth Proportional to 1,017.83, 1,404.41 and 598.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.83 : 1,404.41 = 598.19 : x
2. Step 2: Convert to fraction form
   1,017.83/1,404.41 = 598.19/x
3. Step 3: Cross multiply
   1,017.83x = 1,404.41 × 598.19
4. Step 4: Simplify right side
   1,017.83x = 840,109.02
5. Step 5: Solve for x
   x = 840,109.02/1,017.83
6. Step 6: Final answer
   x = 825.40