Finding the Fourth Proportional to 2,825.12, 3,897.81 and 2,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,825.12 : 3,897.81 = 2,451.50 : x
2. Step 2: Convert to fraction form
   2,825.12/3,897.81 = 2,451.50/x
3. Step 3: Cross multiply
   2,825.12x = 3,897.81 × 2,451.50
4. Step 4: Simplify right side
   2,825.12x = 9,555,461.73
5. Step 5: Solve for x
   x = 9,555,461.73/2,825.12
6. Step 6: Final answer
   x = 3,382.33