Finding the Fourth Proportional to 8,530.75, 12,791.67 and 3,846.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,530.75 : 12,791.67 = 3,846.72 : x
2. Step 2: Convert to fraction form
   8,530.75/12,791.67 = 3,846.72/x
3. Step 3: Cross multiply
   8,530.75x = 12,791.67 × 3,846.72
4. Step 4: Simplify right side
   8,530.75x = 49,205,972.82
5. Step 5: Solve for x
   x = 49,205,972.82/8,530.75
6. Step 6: Final answer
   x = 5,768.07