Finding the Fourth Proportional to 22,722.05, 31,345.43 and 14,653.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,722.05 : 31,345.43 = 14,653.57 : x
2. Step 2: Convert to fraction form
   22,722.05/31,345.43 = 14,653.57/x
3. Step 3: Cross multiply
   22,722.05x = 31,345.43 × 14,653.57
4. Step 4: Simplify right side
   22,722.05x = 459,322,452.69
5. Step 5: Solve for x
   x = 459,322,452.69/22,722.05
6. Step 6: Final answer
   x = 20,214.83