Finding the Fourth Proportional to 1,654.56, 2,478.20 and 1,104.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.56 : 2,478.20 = 1,104.17 : x
2. Step 2: Convert to fraction form
   1,654.56/2,478.20 = 1,104.17/x
3. Step 3: Cross multiply
   1,654.56x = 2,478.20 × 1,104.17
4. Step 4: Simplify right side
   1,654.56x = 2,736,336.18
5. Step 5: Solve for x
   x = 2,736,336.18/1,654.56
6. Step 6: Final answer
   x = 1,653.82