Finding the Fourth Proportional to 1,046.31, 1,443.90 and 604.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.31 : 1,443.90 = 604.25 : x
2. Step 2: Convert to fraction form
   1,046.31/1,443.90 = 604.25/x
3. Step 3: Cross multiply
   1,046.31x = 1,443.90 × 604.25
4. Step 4: Simplify right side
   1,046.31x = 872,480.18
5. Step 5: Solve for x
   x = 872,480.18/1,046.31
6. Step 6: Final answer
   x = 833.86