Finding the Fourth Proportional to 2,257.83, 3,116.06 and 1,263.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257.83 : 3,116.06 = 1,263.35 : x
2. Step 2: Convert to fraction form
   2,257.83/3,116.06 = 1,263.35/x
3. Step 3: Cross multiply
   2,257.83x = 3,116.06 × 1,263.35
4. Step 4: Simplify right side
   2,257.83x = 3,936,652.50
5. Step 5: Solve for x
   x = 3,936,652.50/2,257.83
6. Step 6: Final answer
   x = 1,743.56