Finding the Fourth Proportional to 8,272.89, 12,410.15 and 2,726.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,272.89 : 12,410.15 = 2,726.28 : x
2. Step 2: Convert to fraction form
   8,272.89/12,410.15 = 2,726.28/x
3. Step 3: Cross multiply
   8,272.89x = 12,410.15 × 2,726.28
4. Step 4: Simplify right side
   8,272.89x = 33,833,530.11
5. Step 5: Solve for x
   x = 33,833,530.11/8,272.89
6. Step 6: Final answer
   x = 4,089.69