Finding the Fourth Proportional to 12,399.48, 18,605.82 and 5,825.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,399.48 : 18,605.82 = 5,825.76 : x
2. Step 2: Convert to fraction form
   12,399.48/18,605.82 = 5,825.76/x
3. Step 3: Cross multiply
   12,399.48x = 18,605.82 × 5,825.76
4. Step 4: Simplify right side
   12,399.48x = 108,393,041.92
5. Step 5: Solve for x
   x = 108,393,041.92/12,399.48
6. Step 6: Final answer
   x = 8,741.74