Finding the Fourth Proportional to 2,078.03, 3,116.07 and 1,103.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.03 : 3,116.07 = 1,103.87 : x
2. Step 2: Convert to fraction form
   2,078.03/3,116.07 = 1,103.87/x
3. Step 3: Cross multiply
   2,078.03x = 3,116.07 × 1,103.87
4. Step 4: Simplify right side
   2,078.03x = 3,439,720.61
5. Step 5: Solve for x
   x = 3,439,720.61/2,078.03
6. Step 6: Final answer
   x = 1,655.28