Finding the Fourth Proportional to 8,463.46, 12,692.72 and 2,540.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,463.46 : 12,692.72 = 2,540.10 : x
2. Step 2: Convert to fraction form
   8,463.46/12,692.72 = 2,540.10/x
3. Step 3: Cross multiply
   8,463.46x = 12,692.72 × 2,540.10
4. Step 4: Simplify right side
   8,463.46x = 32,240,778.07
5. Step 5: Solve for x
   x = 32,240,778.07/8,463.46
6. Step 6: Final answer
   x = 3,809.41