Finding the Fourth Proportional to 22,722.22, 31,356.72 and 12,650.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,722.22 : 31,356.72 = 12,650.18 : x
2. Step 2: Convert to fraction form
   22,722.22/31,356.72 = 12,650.18/x
3. Step 3: Cross multiply
   22,722.22x = 31,356.72 × 12,650.18
4. Step 4: Simplify right side
   22,722.22x = 396,667,995.43
5. Step 5: Solve for x
   x = 396,667,995.43/22,722.22
6. Step 6: Final answer
   x = 17,457.27