Finding the Fourth Proportional to 22,997.31, 31,736.37 and 12,926.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,997.31 : 31,736.37 = 12,926.17 : x
2. Step 2: Convert to fraction form
   22,997.31/31,736.37 = 12,926.17/x
3. Step 3: Cross multiply
   22,997.31x = 31,736.37 × 12,926.17
4. Step 4: Simplify right side
   22,997.31x = 410,229,713.80
5. Step 5: Solve for x
   x = 410,229,713.80/22,997.31
6. Step 6: Final answer
   x = 17,838.16