Finding the Fourth Proportional to 8,871.30, 12,234.87 and 5,333.85

Step by Step Solution

1. Step 1: Write the proportion equation
   8,871.30 : 12,234.87 = 5,333.85 : x
2. Step 2: Convert to fraction form
   8,871.30/12,234.87 = 5,333.85/x
3. Step 3: Cross multiply
   8,871.30x = 12,234.87 × 5,333.85
4. Step 4: Simplify right side
   8,871.30x = 65,258,961.35
5. Step 5: Solve for x
   x = 65,258,961.35/8,871.30
6. Step 6: Final answer
   x = 7,356.19