Finding the Fourth Proportional to 2,303.33, 3,178.58 and 1,255.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.33 : 3,178.58 = 1,255.37 : x
2. Step 2: Convert to fraction form
   2,303.33/3,178.58 = 1,255.37/x
3. Step 3: Cross multiply
   2,303.33x = 3,178.58 × 1,255.37
4. Step 4: Simplify right side
   2,303.33x = 3,990,271.80
5. Step 5: Solve for x
   x = 3,990,271.80/2,303.33
6. Step 6: Final answer
   x = 1,732.40