Finding the Fourth Proportional to 10,269.98, 15,405.53 and 3,249.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,269.98 : 15,405.53 = 3,249.47 : x
2. Step 2: Convert to fraction form
   10,269.98/15,405.53 = 3,249.47/x
3. Step 3: Cross multiply
   10,269.98x = 15,405.53 × 3,249.47
4. Step 4: Simplify right side
   10,269.98x = 50,059,854.21
5. Step 5: Solve for x
   x = 50,059,854.21/10,269.98
6. Step 6: Final answer
   x = 4,874.39