Finding the Fourth Proportional to 1,162.39, 1,604.01 and 658.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.39 : 1,604.01 = 658.22 : x
2. Step 2: Convert to fraction form
   1,162.39/1,604.01 = 658.22/x
3. Step 3: Cross multiply
   1,162.39x = 1,604.01 × 658.22
4. Step 4: Simplify right side
   1,162.39x = 1,055,788.57
5. Step 5: Solve for x
   x = 1,055,788.57/1,162.39
6. Step 6: Final answer
   x = 908.29