Finding the Fourth Proportional to 2,399.69, 3,312.83 and 1,456.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.69 : 3,312.83 = 1,456.07 : x
2. Step 2: Convert to fraction form
   2,399.69/3,312.83 = 1,456.07/x
3. Step 3: Cross multiply
   2,399.69x = 3,312.83 × 1,456.07
4. Step 4: Simplify right side
   2,399.69x = 4,823,699.45
5. Step 5: Solve for x
   x = 4,823,699.45/2,399.69
6. Step 6: Final answer
   x = 2,010.13