Finding the Fourth Proportional to 2,303.78, 3,179.16 and 1,255.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.78 : 3,179.16 = 1,255.82 : x
2. Step 2: Convert to fraction form
   2,303.78/3,179.16 = 1,255.82/x
3. Step 3: Cross multiply
   2,303.78x = 3,179.16 × 1,255.82
4. Step 4: Simplify right side
   2,303.78x = 3,992,452.71
5. Step 5: Solve for x
   x = 3,992,452.71/2,303.78
6. Step 6: Final answer
   x = 1,733.00