Finding the Fourth Proportional to 8,272.53, 12,406.16 and 2,724.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,272.53 : 12,406.16 = 2,724.38 : x
2. Step 2: Convert to fraction form
   8,272.53/12,406.16 = 2,724.38/x
3. Step 3: Cross multiply
   8,272.53x = 12,406.16 × 2,724.38
4. Step 4: Simplify right side
   8,272.53x = 33,799,018.53
5. Step 5: Solve for x
   x = 33,799,018.53/8,272.53
6. Step 6: Final answer
   x = 4,085.69