Finding the Fourth Proportional to 2,303.56, 3,178.94 and 1,255.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.56 : 3,178.94 = 1,255.62 : x
2. Step 2: Convert to fraction form
   2,303.56/3,178.94 = 1,255.62/x
3. Step 3: Cross multiply
   2,303.56x = 3,178.94 × 1,255.62
4. Step 4: Simplify right side
   2,303.56x = 3,991,543.78
5. Step 5: Solve for x
   x = 3,991,543.78/2,303.56
6. Step 6: Final answer
   x = 1,732.77