Finding the Fourth Proportional to 12,456.72, 18,674.91 and 5,797.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,456.72 : 18,674.91 = 5,797.39 : x
2. Step 2: Convert to fraction form
   12,456.72/18,674.91 = 5,797.39/x
3. Step 3: Cross multiply
   12,456.72x = 18,674.91 × 5,797.39
4. Step 4: Simplify right side
   12,456.72x = 108,265,614.12
5. Step 5: Solve for x
   x = 108,265,614.12/12,456.72
6. Step 6: Final answer
   x = 8,691.34