Finding the Fourth Proportional to 10,736.69, 16,103.16 and 2,839.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,736.69 : 16,103.16 = 2,839.28 : x
2. Step 2: Convert to fraction form
   10,736.69/16,103.16 = 2,839.28/x
3. Step 3: Cross multiply
   10,736.69x = 16,103.16 × 2,839.28
4. Step 4: Simplify right side
   10,736.69x = 45,721,420.38
5. Step 5: Solve for x
   x = 45,721,420.38/10,736.69
6. Step 6: Final answer
   x = 4,258.43