Finding the Fourth Proportional to 8,850.74, 12,213.81 and 4,871.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,850.74 : 12,213.81 = 4,871.82 : x
2. Step 2: Convert to fraction form
   8,850.74/12,213.81 = 4,871.82/x
3. Step 3: Cross multiply
   8,850.74x = 12,213.81 × 4,871.82
4. Step 4: Simplify right side
   8,850.74x = 59,503,483.83
5. Step 5: Solve for x
   x = 59,503,483.83/8,850.74
6. Step 6: Final answer
   x = 6,722.99