Finding the Fourth Proportional to 1,045.98, 1,443.45 and 603.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.98 : 1,443.45 = 603.96 : x
2. Step 2: Convert to fraction form
   1,045.98/1,443.45 = 603.96/x
3. Step 3: Cross multiply
   1,045.98x = 1,443.45 × 603.96
4. Step 4: Simplify right side
   1,045.98x = 871,786.06
5. Step 5: Solve for x
   x = 871,786.06/1,045.98
6. Step 6: Final answer
   x = 833.46