Finding the Fourth Proportional to 1,104.27, 1,656.33 and 282.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.27 : 1,656.33 = 282.56 : x
2. Step 2: Convert to fraction form
   1,104.27/1,656.33 = 282.56/x
3. Step 3: Cross multiply
   1,104.27x = 1,656.33 × 282.56
4. Step 4: Simplify right side
   1,104.27x = 468,004.32
5. Step 5: Solve for x
   x = 468,004.32/1,104.27
6. Step 6: Final answer
   x = 423.81