Finding the Fourth Proportional to 1,155.55, 1,594.71 and 658.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.55 : 1,594.71 = 658.24 : x
2. Step 2: Convert to fraction form
   1,155.55/1,594.71 = 658.24/x
3. Step 3: Cross multiply
   1,155.55x = 1,594.71 × 658.24
4. Step 4: Simplify right side
   1,155.55x = 1,049,701.91
5. Step 5: Solve for x
   x = 1,049,701.91/1,155.55
6. Step 6: Final answer
   x = 908.40