Finding the Fourth Proportional to 1,155.39, 1,594.46 and 658.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.39 : 1,594.46 = 658.04 : x
2. Step 2: Convert to fraction form
   1,155.39/1,594.46 = 658.04/x
3. Step 3: Cross multiply
   1,155.39x = 1,594.46 × 658.04
4. Step 4: Simplify right side
   1,155.39x = 1,049,218.46
5. Step 5: Solve for x
   x = 1,049,218.46/1,155.39
6. Step 6: Final answer
   x = 908.11