Finding the Fourth Proportional to 2,824.89, 3,889.25 and 2,425.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,824.89 : 3,889.25 = 2,425.76 : x
2. Step 2: Convert to fraction form
   2,824.89/3,889.25 = 2,425.76/x
3. Step 3: Cross multiply
   2,824.89x = 3,889.25 × 2,425.76
4. Step 4: Simplify right side
   2,824.89x = 9,434,379.19
5. Step 5: Solve for x
   x = 9,434,379.19/2,824.89
6. Step 6: Final answer
   x = 3,339.74