Finding the Fourth Proportional to 2,078.47, 3,118.20 and 1,104.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.47 : 3,118.20 = 1,104.36 : x
2. Step 2: Convert to fraction form
   2,078.47/3,118.20 = 1,104.36/x
3. Step 3: Cross multiply
   2,078.47x = 3,118.20 × 1,104.36
4. Step 4: Simplify right side
   2,078.47x = 3,443,615.35
5. Step 5: Solve for x
   x = 3,443,615.35/2,078.47
6. Step 6: Final answer
   x = 1,656.80