Finding the Fourth Proportional to 957.69, 1,321.83 and 584.98

Step by Step Solution

1. Step 1: Write the proportion equation
   957.69 : 1,321.83 = 584.98 : x
2. Step 2: Convert to fraction form
   957.69/1,321.83 = 584.98/x
3. Step 3: Cross multiply
   957.69x = 1,321.83 × 584.98
4. Step 4: Simplify right side
   957.69x = 773,242.56
5. Step 5: Solve for x
   x = 773,242.56/957.69
6. Step 6: Final answer
   x = 807.41