Finding the Fourth Proportional to 2,856.35, 4,281.68 and 1,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856.35 : 4,281.68 = 1,297.50 : x
2. Step 2: Convert to fraction form
   2,856.35/4,281.68 = 1,297.50/x
3. Step 3: Cross multiply
   2,856.35x = 4,281.68 × 1,297.50
4. Step 4: Simplify right side
   2,856.35x = 5,555,479.80
5. Step 5: Solve for x
   x = 5,555,479.80/2,856.35
6. Step 6: Final answer
   x = 1,944.96