Finding the Fourth Proportional to 1,456.72, 2,185.28 and 532.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.72 : 2,185.28 = 532.16 : x
2. Step 2: Convert to fraction form
   1,456.72/2,185.28 = 532.16/x
3. Step 3: Cross multiply
   1,456.72x = 2,185.28 × 532.16
4. Step 4: Simplify right side
   1,456.72x = 1,162,918.60
5. Step 5: Solve for x
   x = 1,162,918.60/1,456.72
6. Step 6: Final answer
   x = 798.31