Finding the Fourth Proportional to 3,945.73, 5,910.04 and 2,554.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.73 : 5,910.04 = 2,554.56 : x
2. Step 2: Convert to fraction form
   3,945.73/5,910.04 = 2,554.56/x
3. Step 3: Cross multiply
   3,945.73x = 5,910.04 × 2,554.56
4. Step 4: Simplify right side
   3,945.73x = 15,097,551.78
5. Step 5: Solve for x
   x = 15,097,551.78/3,945.73
6. Step 6: Final answer
   x = 3,826.30