Finding the Fourth Proportional to 1,183.32, 1,632.42 and 868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,183.32 : 1,632.42 = 868.50 : x
2. Step 2: Convert to fraction form
   1,183.32/1,632.42 = 868.50/x
3. Step 3: Cross multiply
   1,183.32x = 1,632.42 × 868.50
4. Step 4: Simplify right side
   1,183.32x = 1,417,756.77
5. Step 5: Solve for x
   x = 1,417,756.77/1,183.32
6. Step 6: Final answer
   x = 1,198.12