Finding the Fourth Proportional to 2,581.08, 3,869.46 and 1,041.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.08 : 3,869.46 = 1,041.72 : x
2. Step 2: Convert to fraction form
   2,581.08/3,869.46 = 1,041.72/x
3. Step 3: Cross multiply
   2,581.08x = 3,869.46 × 1,041.72
4. Step 4: Simplify right side
   2,581.08x = 4,030,893.87
5. Step 5: Solve for x
   x = 4,030,893.87/2,581.08
6. Step 6: Final answer
   x = 1,561.71