Finding the Fourth Proportional to 22,997.50, 31,736.28 and 12,927.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,997.50 : 31,736.28 = 12,927.63 : x
2. Step 2: Convert to fraction form
   22,997.50/31,736.28 = 12,927.63/x
3. Step 3: Cross multiply
   22,997.50x = 31,736.28 × 12,927.63
4. Step 4: Simplify right side
   22,997.50x = 410,274,885.42
5. Step 5: Solve for x
   x = 410,274,885.42/22,997.50
6. Step 6: Final answer
   x = 17,839.98