Finding the Fourth Proportional to 8,256.72, 12,385.91 and 2,710.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,256.72 : 12,385.91 = 2,710.09 : x
2. Step 2: Convert to fraction form
   8,256.72/12,385.91 = 2,710.09/x
3. Step 3: Cross multiply
   8,256.72x = 12,385.91 × 2,710.09
4. Step 4: Simplify right side
   8,256.72x = 33,566,930.83
5. Step 5: Solve for x
   x = 33,566,930.83/8,256.72
6. Step 6: Final answer
   x = 4,065.41