Finding the Fourth Proportional to 1,155.67, 1,594.86 and 658.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.67 : 1,594.86 = 658.38 : x
2. Step 2: Convert to fraction form
   1,155.67/1,594.86 = 658.38/x
3. Step 3: Cross multiply
   1,155.67x = 1,594.86 × 658.38
4. Step 4: Simplify right side
   1,155.67x = 1,050,031.14
5. Step 5: Solve for x
   x = 1,050,031.14/1,155.67
6. Step 6: Final answer
   x = 908.59