Finding the Fourth Proportional to 9,724.67, 13,419.86 and 5,475.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,724.67 : 13,419.86 = 5,475.71 : x
2. Step 2: Convert to fraction form
   9,724.67/13,419.86 = 5,475.71/x
3. Step 3: Cross multiply
   9,724.67x = 13,419.86 × 5,475.71
4. Step 4: Simplify right side
   9,724.67x = 73,483,340.54
5. Step 5: Solve for x
   x = 73,483,340.54/9,724.67
6. Step 6: Final answer
   x = 7,556.38