Finding the Fourth Proportional to 2,040.34, 2,815.05 and 1,254.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.34 : 2,815.05 = 1,254.10 : x
2. Step 2: Convert to fraction form
   2,040.34/2,815.05 = 1,254.10/x
3. Step 3: Cross multiply
   2,040.34x = 2,815.05 × 1,254.10
4. Step 4: Simplify right side
   2,040.34x = 3,530,354.21
5. Step 5: Solve for x
   x = 3,530,354.21/2,040.34
6. Step 6: Final answer
   x = 1,730.28