Finding the Fourth Proportional to 16,470.99, 22,724.37 and 9,300.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,470.99 : 22,724.37 = 9,300.06 : x
2. Step 2: Convert to fraction form
   16,470.99/22,724.37 = 9,300.06/x
3. Step 3: Cross multiply
   16,470.99x = 22,724.37 × 9,300.06
4. Step 4: Simplify right side
   16,470.99x = 211,338,004.46
5. Step 5: Solve for x
   x = 211,338,004.46/16,470.99
6. Step 6: Final answer
   x = 12,830.92