Finding the Fourth Proportional to 9,724.24, 13,419.39 and 5,475.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,724.24 : 13,419.39 = 5,475.43 : x
2. Step 2: Convert to fraction form
   9,724.24/13,419.39 = 5,475.43/x
3. Step 3: Cross multiply
   9,724.24x = 13,419.39 × 5,475.43
4. Step 4: Simplify right side
   9,724.24x = 73,476,930.59
5. Step 5: Solve for x
   x = 73,476,930.59/9,724.24
6. Step 6: Final answer
   x = 7,556.06