Finding the Fourth Proportional to 2,581.88, 3,873.86 and 1,043

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.88 : 3,873.86 = 1,043 : x
2. Step 2: Convert to fraction form
   2,581.88/3,873.86 = 1,043/x
3. Step 3: Cross multiply
   2,581.88x = 3,873.86 × 1,043
4. Step 4: Simplify right side
   2,581.88x = 4,040,435.98
5. Step 5: Solve for x
   x = 4,040,435.98/2,581.88
6. Step 6: Final answer
   x = 1,564.92