Finding the Fourth Proportional to 8,818.41, 12,166.92 and 5,676.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,818.41 : 12,166.92 = 5,676.42 : x
2. Step 2: Convert to fraction form
   8,818.41/12,166.92 = 5,676.42/x
3. Step 3: Cross multiply
   8,818.41x = 12,166.92 × 5,676.42
4. Step 4: Simplify right side
   8,818.41x = 69,064,548.03
5. Step 5: Solve for x
   x = 69,064,548.03/8,818.41
6. Step 6: Final answer
   x = 7,831.86