Finding the Fourth Proportional to 2,340.59, 3,231.74 and 1,456.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,340.59 : 3,231.74 = 1,456.79 : x
2. Step 2: Convert to fraction form
   2,340.59/3,231.74 = 1,456.79/x
3. Step 3: Cross multiply
   2,340.59x = 3,231.74 × 1,456.79
4. Step 4: Simplify right side
   2,340.59x = 4,707,954.00
5. Step 5: Solve for x
   x = 4,707,954.00/2,340.59
6. Step 6: Final answer
   x = 2,011.44