Finding the Fourth Proportional to 8,009.69, 11,991.15 and 5,344.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,009.69 : 11,991.15 = 5,344.25 : x
2. Step 2: Convert to fraction form
   8,009.69/11,991.15 = 5,344.25/x
3. Step 3: Cross multiply
   8,009.69x = 11,991.15 × 5,344.25
4. Step 4: Simplify right side
   8,009.69x = 64,083,643.43
5. Step 5: Solve for x
   x = 64,083,643.43/8,009.69
6. Step 6: Final answer
   x = 8,000.77