Finding the Fourth Proportional to 1,104.31, 1,656.34 and 282.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.31 : 1,656.34 = 282.59 : x
2. Step 2: Convert to fraction form
   1,104.31/1,656.34 = 282.59/x
3. Step 3: Cross multiply
   1,104.31x = 1,656.34 × 282.59
4. Step 4: Simplify right side
   1,104.31x = 468,063.14
5. Step 5: Solve for x
   x = 468,063.14/1,104.31
6. Step 6: Final answer
   x = 423.85