Finding the Fourth Proportional to 3,255.14, 4,488.73 and 2,784.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,255.14 : 4,488.73 = 2,784.59 : x
2. Step 2: Convert to fraction form
   3,255.14/4,488.73 = 2,784.59/x
3. Step 3: Cross multiply
   3,255.14x = 4,488.73 × 2,784.59
4. Step 4: Simplify right side
   3,255.14x = 12,499,258.75
5. Step 5: Solve for x
   x = 12,499,258.75/3,255.14
6. Step 6: Final answer
   x = 3,839.86