Finding the Fourth Proportional to 8,935.21, 12,324.72 and 5,743.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,935.21 : 12,324.72 = 5,743.48 : x
2. Step 2: Convert to fraction form
   8,935.21/12,324.72 = 5,743.48/x
3. Step 3: Cross multiply
   8,935.21x = 12,324.72 × 5,743.48
4. Step 4: Simplify right side
   8,935.21x = 70,786,782.83
5. Step 5: Solve for x
   x = 70,786,782.83/8,935.21
6. Step 6: Final answer
   x = 7,922.23