Finding the Fourth Proportional to 2,431.20, 3,647.72 and 1,044.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431.20 : 3,647.72 = 1,044.89 : x
2. Step 2: Convert to fraction form
   2,431.20/3,647.72 = 1,044.89/x
3. Step 3: Cross multiply
   2,431.20x = 3,647.72 × 1,044.89
4. Step 4: Simplify right side
   2,431.20x = 3,811,466.15
5. Step 5: Solve for x
   x = 3,811,466.15/2,431.20
6. Step 6: Final answer
   x = 1,567.73