Finding the Fourth Proportional to 2,581.89, 3,563.07 and 1,533.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.89 : 3,563.07 = 1,533.96 : x
2. Step 2: Convert to fraction form
   2,581.89/3,563.07 = 1,533.96/x
3. Step 3: Cross multiply
   2,581.89x = 3,563.07 × 1,533.96
4. Step 4: Simplify right side
   2,581.89x = 5,465,606.86
5. Step 5: Solve for x
   x = 5,465,606.86/2,581.89
6. Step 6: Final answer
   x = 2,116.90