Finding the Fourth Proportional to 8,850.05, 12,212.82 and 4,870.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,850.05 : 12,212.82 = 4,870.62 : x
2. Step 2: Convert to fraction form
   8,850.05/12,212.82 = 4,870.62/x
3. Step 3: Cross multiply
   8,850.05x = 12,212.82 × 4,870.62
4. Step 4: Simplify right side
   8,850.05x = 59,484,005.35
5. Step 5: Solve for x
   x = 59,484,005.35/8,850.05
6. Step 6: Final answer
   x = 6,721.32