Finding the Fourth Proportional to 1,045.71, 1,443.29 and 603.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.71 : 1,443.29 = 603.59 : x
2. Step 2: Convert to fraction form
   1,045.71/1,443.29 = 603.59/x
3. Step 3: Cross multiply
   1,045.71x = 1,443.29 × 603.59
4. Step 4: Simplify right side
   1,045.71x = 871,145.18
5. Step 5: Solve for x
   x = 871,145.18/1,045.71
6. Step 6: Final answer
   x = 833.07