Finding the Fourth Proportional to 1,155.23, 1,594.31 and 658.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.23 : 1,594.31 = 658.02 : x
2. Step 2: Convert to fraction form
   1,155.23/1,594.31 = 658.02/x
3. Step 3: Cross multiply
   1,155.23x = 1,594.31 × 658.02
4. Step 4: Simplify right side
   1,155.23x = 1,049,084.58
5. Step 5: Solve for x
   x = 1,049,084.58/1,155.23
6. Step 6: Final answer
   x = 908.12