Finding the Fourth Proportional to 22,997.49, 31,739.34 and 12,926.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,997.49 : 31,739.34 = 12,926.34 : x
2. Step 2: Convert to fraction form
   22,997.49/31,739.34 = 12,926.34/x
3. Step 3: Cross multiply
   22,997.49x = 31,739.34 × 12,926.34
4. Step 4: Simplify right side
   22,997.49x = 410,273,500.22
5. Step 5: Solve for x
   x = 410,273,500.22/22,997.49
6. Step 6: Final answer
   x = 17,839.93