Finding the Fourth Proportional to 10,243.80, 14,137.20 and 5,768.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,243.80 : 14,137.20 = 5,768.04 : x
2. Step 2: Convert to fraction form
   10,243.80/14,137.20 = 5,768.04/x
3. Step 3: Cross multiply
   10,243.80x = 14,137.20 × 5,768.04
4. Step 4: Simplify right side
   10,243.80x = 81,543,935.09
5. Step 5: Solve for x
   x = 81,543,935.09/10,243.80
6. Step 6: Final answer
   x = 7,960.32