Finding the Fourth Proportional to 10,828.80, 16,243.78 and 3,433.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,828.80 : 16,243.78 = 3,433.84 : x
2. Step 2: Convert to fraction form
   10,828.80/16,243.78 = 3,433.84/x
3. Step 3: Cross multiply
   10,828.80x = 16,243.78 × 3,433.84
4. Step 4: Simplify right side
   10,828.80x = 55,778,541.52
5. Step 5: Solve for x
   x = 55,778,541.52/10,828.80
6. Step 6: Final answer
   x = 5,150.94