Finding the Fourth Proportional to 22,498.98, 31,044.54 and 12,936.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,498.98 : 31,044.54 = 12,936.63 : x
2. Step 2: Convert to fraction form
   22,498.98/31,044.54 = 12,936.63/x
3. Step 3: Cross multiply
   22,498.98x = 31,044.54 × 12,936.63
4. Step 4: Simplify right side
   22,498.98x = 401,611,727.50
5. Step 5: Solve for x
   x = 401,611,727.50/22,498.98
6. Step 6: Final answer
   x = 17,850.22