Finding the Fourth Proportional to 8,849.25, 12,211.82 and 4,870.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,849.25 : 12,211.82 = 4,870.28 : x
2. Step 2: Convert to fraction form
   8,849.25/12,211.82 = 4,870.28/x
3. Step 3: Cross multiply
   8,849.25x = 12,211.82 × 4,870.28
4. Step 4: Simplify right side
   8,849.25x = 59,475,007.15
5. Step 5: Solve for x
   x = 59,475,007.15/8,849.25
6. Step 6: Final answer
   x = 6,720.91