Finding the Fourth Proportional to 10,243.76, 15,367.25 and 3,669.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,243.76 : 15,367.25 = 3,669.80 : x
2. Step 2: Convert to fraction form
   10,243.76/15,367.25 = 3,669.80/x
3. Step 3: Cross multiply
   10,243.76x = 15,367.25 × 3,669.80
4. Step 4: Simplify right side
   10,243.76x = 56,394,638.86
5. Step 5: Solve for x
   x = 56,394,638.86/10,243.76
6. Step 6: Final answer
   x = 5,505.27