Finding the Fourth Proportional to 1,104.58, 1,654.72 and 616.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.58 : 1,654.72 = 616.16 : x
2. Step 2: Convert to fraction form
   1,104.58/1,654.72 = 616.16/x
3. Step 3: Cross multiply
   1,104.58x = 1,654.72 × 616.16
4. Step 4: Simplify right side
   1,104.58x = 1,019,572.28
5. Step 5: Solve for x
   x = 1,019,572.28/1,104.58
6. Step 6: Final answer
   x = 923.04