Finding the Fourth Proportional to 9,145.52, 12,626.96 and 5,743.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,145.52 : 12,626.96 = 5,743.97 : x
2. Step 2: Convert to fraction form
   9,145.52/12,626.96 = 5,743.97/x
3. Step 3: Cross multiply
   9,145.52x = 12,626.96 × 5,743.97
4. Step 4: Simplify right side
   9,145.52x = 72,528,879.43
5. Step 5: Solve for x
   x = 72,528,879.43/9,145.52
6. Step 6: Final answer
   x = 7,930.54