Finding the Fourth Proportional to 9,119.52, 12,589.20 and 5,764.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,119.52 : 12,589.20 = 5,764.32 : x
2. Step 2: Convert to fraction form
   9,119.52/12,589.20 = 5,764.32/x
3. Step 3: Cross multiply
   9,119.52x = 12,589.20 × 5,764.32
4. Step 4: Simplify right side
   9,119.52x = 72,568,177.34
5. Step 5: Solve for x
   x = 72,568,177.34/9,119.52
6. Step 6: Final answer
   x = 7,957.46