Finding the Fourth Proportional to 22,470.69, 31,019.49 and 14,516.79

Step by Step Solution

1. Step 1: Write the proportion equation
   22,470.69 : 31,019.49 = 14,516.79 : x
2. Step 2: Convert to fraction form
   22,470.69/31,019.49 = 14,516.79/x
3. Step 3: Cross multiply
   22,470.69x = 31,019.49 × 14,516.79
4. Step 4: Simplify right side
   22,470.69x = 450,303,422.24
5. Step 5: Solve for x
   x = 450,303,422.24/22,470.69
6. Step 6: Final answer
   x = 20,039.59