Finding the Fourth Proportional to 9,949.36, 13,729.96 and 5,473.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,949.36 : 13,729.96 = 5,473.06 : x
2. Step 2: Convert to fraction form
   9,949.36/13,729.96 = 5,473.06/x
3. Step 3: Cross multiply
   9,949.36x = 13,729.96 × 5,473.06
4. Step 4: Simplify right side
   9,949.36x = 75,144,894.88
5. Step 5: Solve for x
   x = 75,144,894.88/9,949.36
6. Step 6: Final answer
   x = 7,552.74