Finding the Fourth Proportional to 2,403.96, 3,315.78 and 1,518.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.96 : 3,315.78 = 1,518.23 : x
2. Step 2: Convert to fraction form
   2,403.96/3,315.78 = 1,518.23/x
3. Step 3: Cross multiply
   2,403.96x = 3,315.78 × 1,518.23
4. Step 4: Simplify right side
   2,403.96x = 5,034,100.09
5. Step 5: Solve for x
   x = 5,034,100.09/2,403.96
6. Step 6: Final answer
   x = 2,094.09