Finding the Fourth Proportional to 2,076.55, 3,114.68 and 1,103.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.55 : 3,114.68 = 1,103.20 : x
2. Step 2: Convert to fraction form
   2,076.55/3,114.68 = 1,103.20/x
3. Step 3: Cross multiply
   2,076.55x = 3,114.68 × 1,103.20
4. Step 4: Simplify right side
   2,076.55x = 3,436,102.16
5. Step 5: Solve for x
   x = 3,436,102.16/2,076.55
6. Step 6: Final answer
   x = 1,654.72