Finding the Fourth Proportional to 8,172.72, 12,250.08 and 3,496.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,172.72 : 12,250.08 = 3,496.56 : x
2. Step 2: Convert to fraction form
   8,172.72/12,250.08 = 3,496.56/x
3. Step 3: Cross multiply
   8,172.72x = 12,250.08 × 3,496.56
4. Step 4: Simplify right side
   8,172.72x = 42,833,139.72
5. Step 5: Solve for x
   x = 42,833,139.72/8,172.72
6. Step 6: Final answer
   x = 5,240.99