Finding the Fourth Proportional to 2,077.28, 3,114.94 and 1,103.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.28 : 3,114.94 = 1,103.12 : x
2. Step 2: Convert to fraction form
   2,077.28/3,114.94 = 1,103.12/x
3. Step 3: Cross multiply
   2,077.28x = 3,114.94 × 1,103.12
4. Step 4: Simplify right side
   2,077.28x = 3,436,152.61
5. Step 5: Solve for x
   x = 3,436,152.61/2,077.28
6. Step 6: Final answer
   x = 1,654.16