Finding the Fourth Proportional to 11,040.69, 16,547.00 and 5,189.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,040.69 : 16,547.00 = 5,189.25 : x
2. Step 2: Convert to fraction form
   11,040.69/16,547.00 = 5,189.25/x
3. Step 3: Cross multiply
   11,040.69x = 16,547.00 × 5,189.25
4. Step 4: Simplify right side
   11,040.69x = 85,866,493.80
5. Step 5: Solve for x
   x = 85,866,493.80/11,040.69
6. Step 6: Final answer
   x = 7,777.28