Finding the Fourth Proportional to 9,952.72, 13,734.56 and 5,476.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,952.72 : 13,734.56 = 5,476.39 : x
2. Step 2: Convert to fraction form
   9,952.72/13,734.56 = 5,476.39/x
3. Step 3: Cross multiply
   9,952.72x = 13,734.56 × 5,476.39
4. Step 4: Simplify right side
   9,952.72x = 75,215,786.39
5. Step 5: Solve for x
   x = 75,215,786.39/9,952.72
6. Step 6: Final answer
   x = 7,557.31