Finding the Fourth Proportional to 8,852.22, 12,215.59 and 4,872.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,852.22 : 12,215.59 = 4,872.56 : x
2. Step 2: Convert to fraction form
   8,852.22/12,215.59 = 4,872.56/x
3. Step 3: Cross multiply
   8,852.22x = 12,215.59 × 4,872.56
4. Step 4: Simplify right side
   8,852.22x = 59,521,170.85
5. Step 5: Solve for x
   x = 59,521,170.85/8,852.22
6. Step 6: Final answer
   x = 6,723.87