Finding the Fourth Proportional to 8,850.15, 12,213.41 and 4,871.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,850.15 : 12,213.41 = 4,871.34 : x
2. Step 2: Convert to fraction form
   8,850.15/12,213.41 = 4,871.34/x
3. Step 3: Cross multiply
   8,850.15x = 12,213.41 × 4,871.34
4. Step 4: Simplify right side
   8,850.15x = 59,495,648.31
5. Step 5: Solve for x
   x = 59,495,648.31/8,850.15
6. Step 6: Final answer
   x = 6,722.56