Finding the Fourth Proportional to 2,591.56, 3,885.90 and 1,031.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.56 : 3,885.90 = 1,031.44 : x
2. Step 2: Convert to fraction form
   2,591.56/3,885.90 = 1,031.44/x
3. Step 3: Cross multiply
   2,591.56x = 3,885.90 × 1,031.44
4. Step 4: Simplify right side
   2,591.56x = 4,008,072.70
5. Step 5: Solve for x
   x = 4,008,072.70/2,591.56
6. Step 6: Final answer
   x = 1,546.59