Finding the Fourth Proportional to 10,918.69, 16,383.30 and 5,369.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,918.69 : 16,383.30 = 5,369.02 : x
2. Step 2: Convert to fraction form
   10,918.69/16,383.30 = 5,369.02/x
3. Step 3: Cross multiply
   10,918.69x = 16,383.30 × 5,369.02
4. Step 4: Simplify right side
   10,918.69x = 87,962,265.37
5. Step 5: Solve for x
   x = 87,962,265.37/10,918.69
6. Step 6: Final answer
   x = 8,056.12