Finding the Fourth Proportional to 2,402.57, 3,604.28 and 1,104.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.57 : 3,604.28 = 1,104.17 : x
2. Step 2: Convert to fraction form
   2,402.57/3,604.28 = 1,104.17/x
3. Step 3: Cross multiply
   2,402.57x = 3,604.28 × 1,104.17
4. Step 4: Simplify right side
   2,402.57x = 3,979,732.33
5. Step 5: Solve for x
   x = 3,979,732.33/2,402.57
6. Step 6: Final answer
   x = 1,656.45