Finding the Fourth Proportional to 8,850.42, 12,213.71 and 4,871.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,850.42 : 12,213.71 = 4,871.49 : x
2. Step 2: Convert to fraction form
   8,850.42/12,213.71 = 4,871.49/x
3. Step 3: Cross multiply
   8,850.42x = 12,213.71 × 4,871.49
4. Step 4: Simplify right side
   8,850.42x = 59,498,941.77
5. Step 5: Solve for x
   x = 59,498,941.77/8,850.42
6. Step 6: Final answer
   x = 6,722.73