Finding the Fourth Proportional to 8,272.72, 12,410.96 and 2,726.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,272.72 : 12,410.96 = 2,726.62 : x
2. Step 2: Convert to fraction form
   8,272.72/12,410.96 = 2,726.62/x
3. Step 3: Cross multiply
   8,272.72x = 12,410.96 × 2,726.62
4. Step 4: Simplify right side
   8,272.72x = 33,839,971.76
5. Step 5: Solve for x
   x = 33,839,971.76/8,272.72
6. Step 6: Final answer
   x = 4,090.55