Finding the Fourth Proportional to 2,249.72, 3,374.89 and 788.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,249.72 : 3,374.89 = 788.69 : x
2. Step 2: Convert to fraction form
   2,249.72/3,374.89 = 788.69/x
3. Step 3: Cross multiply
   2,249.72x = 3,374.89 × 788.69
4. Step 4: Simplify right side
   2,249.72x = 2,661,723.15
5. Step 5: Solve for x
   x = 2,661,723.15/2,249.72
6. Step 6: Final answer
   x = 1,183.13