Finding the Fourth Proportional to 2,303.91, 3,179.40 and 1,255.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.91 : 3,179.40 = 1,255.98 : x
2. Step 2: Convert to fraction form
   2,303.91/3,179.40 = 1,255.98/x
3. Step 3: Cross multiply
   2,303.91x = 3,179.40 × 1,255.98
4. Step 4: Simplify right side
   2,303.91x = 3,993,262.81
5. Step 5: Solve for x
   x = 3,993,262.81/2,303.91
6. Step 6: Final answer
   x = 1,733.25