Finding the Fourth Proportional to 8,495.72, 12,738.78 and 3,496.70

Step by Step Solution

1. Step 1: Write the proportion equation
   8,495.72 : 12,738.78 = 3,496.70 : x
2. Step 2: Convert to fraction form
   8,495.72/12,738.78 = 3,496.70/x
3. Step 3: Cross multiply
   8,495.72x = 12,738.78 × 3,496.70
4. Step 4: Simplify right side
   8,495.72x = 44,543,692.03
5. Step 5: Solve for x
   x = 44,543,692.03/8,495.72
6. Step 6: Final answer
   x = 5,243.07