Finding the Fourth Proportional to 16,288.46, 22,470.28 and 9,482.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,288.46 : 22,470.28 = 9,482.48 : x
2. Step 2: Convert to fraction form
   16,288.46/22,470.28 = 9,482.48/x
3. Step 3: Cross multiply
   16,288.46x = 22,470.28 × 9,482.48
4. Step 4: Simplify right side
   16,288.46x = 213,073,980.69
5. Step 5: Solve for x
   x = 213,073,980.69/16,288.46
6. Step 6: Final answer
   x = 13,081.28