Finding the Fourth Proportional to 1,045.82, 1,443.30 and 603.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.82 : 1,443.30 = 603.74 : x
2. Step 2: Convert to fraction form
   1,045.82/1,443.30 = 603.74/x
3. Step 3: Cross multiply
   1,045.82x = 1,443.30 × 603.74
4. Step 4: Simplify right side
   1,045.82x = 871,377.94
5. Step 5: Solve for x
   x = 871,377.94/1,045.82
6. Step 6: Final answer
   x = 833.20