Finding the Fourth Proportional to 2,403.69, 3,316.91 and 1,408.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.69 : 3,316.91 = 1,408.83 : x
2. Step 2: Convert to fraction form
   2,403.69/3,316.91 = 1,408.83/x
3. Step 3: Cross multiply
   2,403.69x = 3,316.91 × 1,408.83
4. Step 4: Simplify right side
   2,403.69x = 4,672,955.27
5. Step 5: Solve for x
   x = 4,672,955.27/2,403.69
6. Step 6: Final answer
   x = 1,944.08