Finding the Fourth Proportional to 1,018.01, 1,404.64 and 598.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.01 : 1,404.64 = 598.43 : x
2. Step 2: Convert to fraction form
   1,018.01/1,404.64 = 598.43/x
3. Step 3: Cross multiply
   1,018.01x = 1,404.64 × 598.43
4. Step 4: Simplify right side
   1,018.01x = 840,578.72
5. Step 5: Solve for x
   x = 840,578.72/1,018.01
6. Step 6: Final answer
   x = 825.71