Finding the Fourth Proportional to 16,002.46, 22,080.42 and 9,285.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,002.46 : 22,080.42 = 9,285.64 : x
2. Step 2: Convert to fraction form
   16,002.46/22,080.42 = 9,285.64/x
3. Step 3: Cross multiply
   16,002.46x = 22,080.42 × 9,285.64
4. Step 4: Simplify right side
   16,002.46x = 205,030,831.17
5. Step 5: Solve for x
   x = 205,030,831.17/16,002.46
6. Step 6: Final answer
   x = 12,812.46