Finding the Fourth Proportional to 9,573.75, 13,212.17 and 5,324.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,573.75 : 13,212.17 = 5,324.79 : x
2. Step 2: Convert to fraction form
   9,573.75/13,212.17 = 5,324.79/x
3. Step 3: Cross multiply
   9,573.75x = 13,212.17 × 5,324.79
4. Step 4: Simplify right side
   9,573.75x = 70,352,030.69
5. Step 5: Solve for x
   x = 70,352,030.69/9,573.75
6. Step 6: Final answer
   x = 7,348.43