Finding the Fourth Proportional to 3,078.79, 4,618.38 and 1,104.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,078.79 : 4,618.38 = 1,104.34 : x
2. Step 2: Convert to fraction form
   3,078.79/4,618.38 = 1,104.34/x
3. Step 3: Cross multiply
   3,078.79x = 4,618.38 × 1,104.34
4. Step 4: Simplify right side
   3,078.79x = 5,100,261.77
5. Step 5: Solve for x
   x = 5,100,261.77/3,078.79
6. Step 6: Final answer
   x = 1,656.58