Finding the Fourth Proportional to 8,751.25, 12,072.56 and 5,919.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,751.25 : 12,072.56 = 5,919.61 : x
2. Step 2: Convert to fraction form
   8,751.25/12,072.56 = 5,919.61/x
3. Step 3: Cross multiply
   8,751.25x = 12,072.56 × 5,919.61
4. Step 4: Simplify right side
   8,751.25x = 71,464,846.90
5. Step 5: Solve for x
   x = 71,464,846.90/8,751.25
6. Step 6: Final answer
   x = 8,166.24