Finding the Fourth Proportional to 1,456.82, 2,185.22 and 591.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.82 : 2,185.22 = 591.12 : x
2. Step 2: Convert to fraction form
   1,456.82/2,185.22 = 591.12/x
3. Step 3: Cross multiply
   1,456.82x = 2,185.22 × 591.12
4. Step 4: Simplify right side
   1,456.82x = 1,291,727.25
5. Step 5: Solve for x
   x = 1,291,727.25/1,456.82
6. Step 6: Final answer
   x = 886.68