Finding the Fourth Proportional to 9,605.20, 13,256.52 and 5,414.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,605.20 : 13,256.52 = 5,414.48 : x
2. Step 2: Convert to fraction form
   9,605.20/13,256.52 = 5,414.48/x
3. Step 3: Cross multiply
   9,605.20x = 13,256.52 × 5,414.48
4. Step 4: Simplify right side
   9,605.20x = 71,777,162.41
5. Step 5: Solve for x
   x = 71,777,162.41/9,605.20
6. Step 6: Final answer
   x = 7,472.74