Finding the Fourth Proportional to 8,515.49, 12,770.00 and 3,895.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,515.49 : 12,770.00 = 3,895.25 : x
2. Step 2: Convert to fraction form
   8,515.49/12,770.00 = 3,895.25/x
3. Step 3: Cross multiply
   8,515.49x = 12,770.00 × 3,895.25
4. Step 4: Simplify right side
   8,515.49x = 49,742,323.02
5. Step 5: Solve for x
   x = 49,742,323.02/8,515.49
6. Step 6: Final answer
   x = 5,841.39