Finding the Fourth Proportional to 2,845.08, 3,928.50 and 2,581.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,845.08 : 3,928.50 = 2,581.56 : x
2. Step 2: Convert to fraction form
   2,845.08/3,928.50 = 2,581.56/x
3. Step 3: Cross multiply
   2,845.08x = 3,928.50 × 2,581.56
4. Step 4: Simplify right side
   2,845.08x = 10,141,658.46
5. Step 5: Solve for x
   x = 10,141,658.46/2,845.08
6. Step 6: Final answer
   x = 3,564.63