Finding the Fourth Proportional to 1,183.15, 1,632.63 and 659.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,183.15 : 1,632.63 = 659.17 : x
2. Step 2: Convert to fraction form
   1,183.15/1,632.63 = 659.17/x
3. Step 3: Cross multiply
   1,183.15x = 1,632.63 × 659.17
4. Step 4: Simplify right side
   1,183.15x = 1,076,180.72
5. Step 5: Solve for x
   x = 1,076,180.72/1,183.15
6. Step 6: Final answer
   x = 909.59