Finding the Fourth Proportional to 16,128.80, 24,185.91 and 5,740.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,128.80 : 24,185.91 = 5,740.82 : x
2. Step 2: Convert to fraction form
   16,128.80/24,185.91 = 5,740.82/x
3. Step 3: Cross multiply
   16,128.80x = 24,185.91 × 5,740.82
4. Step 4: Simplify right side
   16,128.80x = 138,846,955.85
5. Step 5: Solve for x
   x = 138,846,955.85/16,128.80
6. Step 6: Final answer
   x = 8,608.64