Finding the Fourth Proportional to 16,403.82, 24,605.61 and 5,160.00

Step by Step Solution

1. Step 1: Write the proportion equation
   16,403.82 : 24,605.61 = 5,160.00 : x
2. Step 2: Convert to fraction form
   16,403.82/24,605.61 = 5,160.00/x
3. Step 3: Cross multiply
   16,403.82x = 24,605.61 × 5,160.00
4. Step 4: Simplify right side
   16,403.82x = 126,965,020.52
5. Step 5: Solve for x
   x = 126,965,020.52/16,403.82
6. Step 6: Final answer
   x = 7,739.97