Finding the Fourth Proportional to 2,044.35, 2,820.34 and 1,257.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,044.35 : 2,820.34 = 1,257.94 : x
2. Step 2: Convert to fraction form
   2,044.35/2,820.34 = 1,257.94/x
3. Step 3: Cross multiply
   2,044.35x = 2,820.34 × 1,257.94
4. Step 4: Simplify right side
   2,044.35x = 3,547,808.30
5. Step 5: Solve for x
   x = 3,547,808.30/2,044.35
6. Step 6: Final answer
   x = 1,735.42