Finding the Fourth Proportional to 2,504.73, 3,456.59 and 1,385.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.73 : 3,456.59 = 1,385.69 : x
2. Step 2: Convert to fraction form
   2,504.73/3,456.59 = 1,385.69/x
3. Step 3: Cross multiply
   2,504.73x = 3,456.59 × 1,385.69
4. Step 4: Simplify right side
   2,504.73x = 4,789,755.27
5. Step 5: Solve for x
   x = 4,789,755.27/2,504.73
6. Step 6: Final answer
   x = 1,912.28