Finding the Fourth Proportional to 8,871.78, 12,243.10 and 4,892.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,871.78 : 12,243.10 = 4,892.82 : x
2. Step 2: Convert to fraction form
   8,871.78/12,243.10 = 4,892.82/x
3. Step 3: Cross multiply
   8,871.78x = 12,243.10 × 4,892.82
4. Step 4: Simplify right side
   8,871.78x = 59,903,284.54
5. Step 5: Solve for x
   x = 59,903,284.54/8,871.78
6. Step 6: Final answer
   x = 6,752.12