Finding the Fourth Proportional to 1,022.69, 1,411.24 and 603.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022.69 : 1,411.24 = 603.02 : x
2. Step 2: Convert to fraction form
   1,022.69/1,411.24 = 603.02/x
3. Step 3: Cross multiply
   1,022.69x = 1,411.24 × 603.02
4. Step 4: Simplify right side
   1,022.69x = 851,003.99
5. Step 5: Solve for x
   x = 851,003.99/1,022.69
6. Step 6: Final answer
   x = 832.13