Finding the Fourth Proportional to 2,269.50, 3,404.73 and 788.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.50 : 3,404.73 = 788.77 : x
2. Step 2: Convert to fraction form
   2,269.50/3,404.73 = 788.77/x
3. Step 3: Cross multiply
   2,269.50x = 3,404.73 × 788.77
4. Step 4: Simplify right side
   2,269.50x = 2,685,548.88
5. Step 5: Solve for x
   x = 2,685,548.88/2,269.50
6. Step 6: Final answer
   x = 1,183.32