Finding the Fourth Proportional to 10,828.71, 16,243.64 and 3,433.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,828.71 : 16,243.64 = 3,433.74 : x
2. Step 2: Convert to fraction form
   10,828.71/16,243.64 = 3,433.74/x
3. Step 3: Cross multiply
   10,828.71x = 16,243.64 × 3,433.74
4. Step 4: Simplify right side
   10,828.71x = 55,776,436.41
5. Step 5: Solve for x
   x = 55,776,436.41/10,828.71
6. Step 6: Final answer
   x = 5,150.79