Finding the Fourth Proportional to 10,835.92, 16,255.68 and 3,438.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,835.92 : 16,255.68 = 3,438.28 : x
2. Step 2: Convert to fraction form
   10,835.92/16,255.68 = 3,438.28/x
3. Step 3: Cross multiply
   10,835.92x = 16,255.68 × 3,438.28
4. Step 4: Simplify right side
   10,835.92x = 55,891,579.43
5. Step 5: Solve for x
   x = 55,891,579.43/10,835.92
6. Step 6: Final answer
   x = 5,157.99