Finding the Fourth Proportional to 10,483.44, 15,676.56 and 8,116.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,483.44 : 15,676.56 = 8,116.62 : x
2. Step 2: Convert to fraction form
   10,483.44/15,676.56 = 8,116.62/x
3. Step 3: Cross multiply
   10,483.44x = 15,676.56 × 8,116.62
4. Step 4: Simplify right side
   10,483.44x = 127,240,680.43
5. Step 5: Solve for x
   x = 127,240,680.43/10,483.44
6. Step 6: Final answer
   x = 12,137.30