Finding the Fourth Proportional to 10,997.04, 16,490.10 and 5,443.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,997.04 : 16,490.10 = 5,443.92 : x
2. Step 2: Convert to fraction form
   10,997.04/16,490.10 = 5,443.92/x
3. Step 3: Cross multiply
   10,997.04x = 16,490.10 × 5,443.92
4. Step 4: Simplify right side
   10,997.04x = 89,770,785.19
5. Step 5: Solve for x
   x = 89,770,785.19/10,997.04
6. Step 6: Final answer
   x = 8,163.18