Finding the Fourth Proportional to 2,845.48, 4,269.59 and 1,286.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,845.48 : 4,269.59 = 1,286.59 : x
2. Step 2: Convert to fraction form
   2,845.48/4,269.59 = 1,286.59/x
3. Step 3: Cross multiply
   2,845.48x = 4,269.59 × 1,286.59
4. Step 4: Simplify right side
   2,845.48x = 5,493,211.80
5. Step 5: Solve for x
   x = 5,493,211.80/2,845.48
6. Step 6: Final answer
   x = 1,930.50