Finding the Fourth Proportional to 22,560.37, 31,119.69 and 14,491.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,560.37 : 31,119.69 = 14,491.31 : x
2. Step 2: Convert to fraction form
   22,560.37/31,119.69 = 14,491.31/x
3. Step 3: Cross multiply
   22,560.37x = 31,119.69 × 14,491.31
4. Step 4: Simplify right side
   22,560.37x = 450,965,074.89
5. Step 5: Solve for x
   x = 450,965,074.89/22,560.37
6. Step 6: Final answer
   x = 19,989.26