Finding the Fourth Proportional to 16,405.46, 24,603.02 and 5,309.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,405.46 : 24,603.02 = 5,309.57 : x
2. Step 2: Convert to fraction form
   16,405.46/24,603.02 = 5,309.57/x
3. Step 3: Cross multiply
   16,405.46x = 24,603.02 × 5,309.57
4. Step 4: Simplify right side
   16,405.46x = 130,631,456.90
5. Step 5: Solve for x
   x = 130,631,456.90/16,405.46
6. Step 6: Final answer
   x = 7,962.68