Finding the Fourth Proportional to 8,871.98, 12,243.90 and 4,893.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,871.98 : 12,243.90 = 4,893.10 : x
2. Step 2: Convert to fraction form
   8,871.98/12,243.90 = 4,893.10/x
3. Step 3: Cross multiply
   8,871.98x = 12,243.90 × 4,893.10
4. Step 4: Simplify right side
   8,871.98x = 59,910,639.35
5. Step 5: Solve for x
   x = 59,910,639.35/8,871.98
6. Step 6: Final answer
   x = 6,752.79