Finding the Fourth Proportional to 11,076.43, 16,615.67 and 4,411.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,076.43 : 16,615.67 = 4,411.31 : x
2. Step 2: Convert to fraction form
   11,076.43/16,615.67 = 4,411.31/x
3. Step 3: Cross multiply
   11,076.43x = 16,615.67 × 4,411.31
4. Step 4: Simplify right side
   11,076.43x = 73,296,923.80
5. Step 5: Solve for x
   x = 73,296,923.80/11,076.43
6. Step 6: Final answer
   x = 6,617.38