Finding the Fourth Proportional to 9,949.25, 13,729.74 and 5,472.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,949.25 : 13,729.74 = 5,472.96 : x
2. Step 2: Convert to fraction form
   9,949.25/13,729.74 = 5,472.96/x
3. Step 3: Cross multiply
   9,949.25x = 13,729.74 × 5,472.96
4. Step 4: Simplify right side
   9,949.25x = 75,142,290.47
5. Step 5: Solve for x
   x = 75,142,290.47/9,949.25
6. Step 6: Final answer
   x = 7,552.56