Finding the Fourth Proportional to 10,835.39, 16,255.52 and 3,440.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,835.39 : 16,255.52 = 3,440.09 : x
2. Step 2: Convert to fraction form
   10,835.39/16,255.52 = 3,440.09/x
3. Step 3: Cross multiply
   10,835.39x = 16,255.52 × 3,440.09
4. Step 4: Simplify right side
   10,835.39x = 55,920,451.80
5. Step 5: Solve for x
   x = 55,920,451.80/10,835.39
6. Step 6: Final answer
   x = 5,160.91