Finding the Fourth Proportional to 2,576.41, 3,865.33 and 846.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.41 : 3,865.33 = 846.25 : x
2. Step 2: Convert to fraction form
   2,576.41/3,865.33 = 846.25/x
3. Step 3: Cross multiply
   2,576.41x = 3,865.33 × 846.25
4. Step 4: Simplify right side
   2,576.41x = 3,271,016.19
5. Step 5: Solve for x
   x = 3,271,016.19/2,576.41
6. Step 6: Final answer
   x = 1,269.60