Finding the Fourth Proportional to 10,821.52, 16,233.87 and 3,424.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,821.52 : 16,233.87 = 3,424.30 : x
2. Step 2: Convert to fraction form
   10,821.52/16,233.87 = 3,424.30/x
3. Step 3: Cross multiply
   10,821.52x = 16,233.87 × 3,424.30
4. Step 4: Simplify right side
   10,821.52x = 55,589,641.04
5. Step 5: Solve for x
   x = 55,589,641.04/10,821.52
6. Step 6: Final answer
   x = 5,136.95