Finding the Fourth Proportional to 10,998.82, 16,466.78 and 7,293.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,998.82 : 16,466.78 = 7,293.68 : x
2. Step 2: Convert to fraction form
   10,998.82/16,466.78 = 7,293.68/x
3. Step 3: Cross multiply
   10,998.82x = 16,466.78 × 7,293.68
4. Step 4: Simplify right side
   10,998.82x = 120,103,359.85
5. Step 5: Solve for x
   x = 120,103,359.85/10,998.82
6. Step 6: Final answer
   x = 10,919.66