Finding the Fourth Proportional to 1,046.12, 1,443.42 and 603.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.12 : 1,443.42 = 603.86 : x
2. Step 2: Convert to fraction form
   1,046.12/1,443.42 = 603.86/x
3. Step 3: Cross multiply
   1,046.12x = 1,443.42 × 603.86
4. Step 4: Simplify right side
   1,046.12x = 871,616.38
5. Step 5: Solve for x
   x = 871,616.38/1,046.12
6. Step 6: Final answer
   x = 833.19