Finding the Fourth Proportional to 1,183.09, 1,632.69 and 659.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,183.09 : 1,632.69 = 659.15 : x
2. Step 2: Convert to fraction form
   1,183.09/1,632.69 = 659.15/x
3. Step 3: Cross multiply
   1,183.09x = 1,632.69 × 659.15
4. Step 4: Simplify right side
   1,183.09x = 1,076,184.32
5. Step 5: Solve for x
   x = 1,076,184.32/1,183.09
6. Step 6: Final answer
   x = 909.64