Finding the Fourth Proportional to 10,919.40, 16,383.84 and 3,524.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,919.40 : 16,383.84 = 3,524.52 : x
2. Step 2: Convert to fraction form
   10,919.40/16,383.84 = 3,524.52/x
3. Step 3: Cross multiply
   10,919.40x = 16,383.84 × 3,524.52
4. Step 4: Simplify right side
   10,919.40x = 57,745,171.76
5. Step 5: Solve for x
   x = 57,745,171.76/10,919.40
6. Step 6: Final answer
   x = 5,288.31