Finding the Fourth Proportional to 2,097.34, 2,894.04 and 1,257.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.34 : 2,894.04 = 1,257.88 : x
2. Step 2: Convert to fraction form
   2,097.34/2,894.04 = 1,257.88/x
3. Step 3: Cross multiply
   2,097.34x = 2,894.04 × 1,257.88
4. Step 4: Simplify right side
   2,097.34x = 3,640,355.04
5. Step 5: Solve for x
   x = 3,640,355.04/2,097.34
6. Step 6: Final answer
   x = 1,735.70