Finding the Fourth Proportional to 22,754.39, 31,399.74 and 12,682.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,754.39 : 31,399.74 = 12,682.49 : x
2. Step 2: Convert to fraction form
   22,754.39/31,399.74 = 12,682.49/x
3. Step 3: Cross multiply
   22,754.39x = 31,399.74 × 12,682.49
4. Step 4: Simplify right side
   22,754.39x = 398,226,731.55
5. Step 5: Solve for x
   x = 398,226,731.55/22,754.39
6. Step 6: Final answer
   x = 17,501.10