Finding the Fourth Proportional to 8,272.05, 12,408.89 and 3,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,272.05 : 12,408.89 = 3,007.50 : x
2. Step 2: Convert to fraction form
   8,272.05/12,408.89 = 3,007.50/x
3. Step 3: Cross multiply
   8,272.05x = 12,408.89 × 3,007.50
4. Step 4: Simplify right side
   8,272.05x = 37,319,721.64
5. Step 5: Solve for x
   x = 37,319,721.64/8,272.05
6. Step 6: Final answer
   x = 4,511.54