Finding the Fourth Proportional to 3,123.59, 4,310.59 and 2,004.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.59 : 4,310.59 = 2,004.56 : x
2. Step 2: Convert to fraction form
   3,123.59/4,310.59 = 2,004.56/x
3. Step 3: Cross multiply
   3,123.59x = 4,310.59 × 2,004.56
4. Step 4: Simplify right side
   3,123.59x = 8,640,809.73
5. Step 5: Solve for x
   x = 8,640,809.73/3,123.59
6. Step 6: Final answer
   x = 2,766.31