Finding the Fourth Proportional to 10,676.41, 15,993.18 and 9,804.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,676.41 : 15,993.18 = 9,804.45 : x
2. Step 2: Convert to fraction form
   10,676.41/15,993.18 = 9,804.45/x
3. Step 3: Cross multiply
   10,676.41x = 15,993.18 × 9,804.45
4. Step 4: Simplify right side
   10,676.41x = 156,804,333.65
5. Step 5: Solve for x
   x = 156,804,333.65/10,676.41
6. Step 6: Final answer
   x = 14,686.99