Finding the Fourth Proportional to 1,063.27, 1,467.46 and 621.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.27 : 1,467.46 = 621.33 : x
2. Step 2: Convert to fraction form
   1,063.27/1,467.46 = 621.33/x
3. Step 3: Cross multiply
   1,063.27x = 1,467.46 × 621.33
4. Step 4: Simplify right side
   1,063.27x = 911,776.92
5. Step 5: Solve for x
   x = 911,776.92/1,063.27
6. Step 6: Final answer
   x = 857.52