Finding the Fourth Proportional to 12,165.69, 18,241.17 and 5,919.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,165.69 : 18,241.17 = 5,919.41 : x
2. Step 2: Convert to fraction form
   12,165.69/18,241.17 = 5,919.41/x
3. Step 3: Cross multiply
   12,165.69x = 18,241.17 × 5,919.41
4. Step 4: Simplify right side
   12,165.69x = 107,976,987.51
5. Step 5: Solve for x
   x = 107,976,987.51/12,165.69
6. Step 6: Final answer
   x = 8,875.53