Finding the Fourth Proportional to 2,103.95, 3,154.82 and 1,049.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.95 : 3,154.82 = 1,049.60 : x
2. Step 2: Convert to fraction form
   2,103.95/3,154.82 = 1,049.60/x
3. Step 3: Cross multiply
   2,103.95x = 3,154.82 × 1,049.60
4. Step 4: Simplify right side
   2,103.95x = 3,311,301.71
5. Step 5: Solve for x
   x = 3,311,301.71/2,103.95
6. Step 6: Final answer
   x = 1,573.85