Finding the Fourth Proportional to 22,662.42, 31,273.23 and 12,591.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,662.42 : 31,273.23 = 12,591.48 : x
2. Step 2: Convert to fraction form
   22,662.42/31,273.23 = 12,591.48/x
3. Step 3: Cross multiply
   22,662.42x = 31,273.23 × 12,591.48
4. Step 4: Simplify right side
   22,662.42x = 393,776,250.08
5. Step 5: Solve for x
   x = 393,776,250.08/22,662.42
6. Step 6: Final answer
   x = 17,375.74