Finding the Fourth Proportional to 8,661.34, 11,952.71 and 4,884.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,661.34 : 11,952.71 = 4,884.54 : x
2. Step 2: Convert to fraction form
   8,661.34/11,952.71 = 4,884.54/x
3. Step 3: Cross multiply
   8,661.34x = 11,952.71 × 4,884.54
4. Step 4: Simplify right side
   8,661.34x = 58,383,490.10
5. Step 5: Solve for x
   x = 58,383,490.10/8,661.34
6. Step 6: Final answer
   x = 6,740.70