Finding the Fourth Proportional to 1,322.91, 1,983.43 and 582.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322.91 : 1,983.43 = 582.16 : x
2. Step 2: Convert to fraction form
   1,322.91/1,983.43 = 582.16/x
3. Step 3: Cross multiply
   1,322.91x = 1,983.43 × 582.16
4. Step 4: Simplify right side
   1,322.91x = 1,154,673.61
5. Step 5: Solve for x
   x = 1,154,673.61/1,322.91
6. Step 6: Final answer
   x = 872.83