Finding the Fourth Proportional to 10,436.92, 14,403 and 5,721.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.92 : 14,403 = 5,721.12 : x
2. Step 2: Convert to fraction form
   10,436.92/14,403 = 5,721.12/x
3. Step 3: Cross multiply
   10,436.92x = 14,403 × 5,721.12
4. Step 4: Simplify right side
   10,436.92x = 82,401,291.36
5. Step 5: Solve for x
   x = 82,401,291.36/10,436.92
6. Step 6: Final answer
   x = 7,895.17