Finding the Fourth Proportional to 16,456.81, 24,686.72 and 5,360.65

Step by Step Solution

1. Step 1: Write the proportion equation
   16,456.81 : 24,686.72 = 5,360.65 : x
2. Step 2: Convert to fraction form
   16,456.81/24,686.72 = 5,360.65/x
3. Step 3: Cross multiply
   16,456.81x = 24,686.72 × 5,360.65
4. Step 4: Simplify right side
   16,456.81x = 132,336,865.57
5. Step 5: Solve for x
   x = 132,336,865.57/16,456.81
6. Step 6: Final answer
   x = 8,041.47