Finding the Fourth Proportional to 1,045.27, 1,442.63 and 603.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.27 : 1,442.63 = 603.33 : x
2. Step 2: Convert to fraction form
   1,045.27/1,442.63 = 603.33/x
3. Step 3: Cross multiply
   1,045.27x = 1,442.63 × 603.33
4. Step 4: Simplify right side
   1,045.27x = 870,381.96
5. Step 5: Solve for x
   x = 870,381.96/1,045.27
6. Step 6: Final answer
   x = 832.69