Finding the Fourth Proportional to 10,919.88, 16,382.55 and 3,524.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,919.88 : 16,382.55 = 3,524.16 : x
2. Step 2: Convert to fraction form
   10,919.88/16,382.55 = 3,524.16/x
3. Step 3: Cross multiply
   10,919.88x = 16,382.55 × 3,524.16
4. Step 4: Simplify right side
   10,919.88x = 57,734,727.41
5. Step 5: Solve for x
   x = 57,734,727.41/10,919.88
6. Step 6: Final answer
   x = 5,287.12