Finding the Fourth Proportional to 1,018.24, 1,404.72 and 604

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.24 : 1,404.72 = 604 : x
2. Step 2: Convert to fraction form
   1,018.24/1,404.72 = 604/x
3. Step 3: Cross multiply
   1,018.24x = 1,404.72 × 604
4. Step 4: Simplify right side
   1,018.24x = 848,450.88
5. Step 5: Solve for x
   x = 848,450.88/1,018.24
6. Step 6: Final answer
   x = 833.25