Finding the Fourth Proportional to 22,282.42, 30,748.38 and 12,723.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,282.42 : 30,748.38 = 12,723.42 : x
2. Step 2: Convert to fraction form
   22,282.42/30,748.38 = 12,723.42/x
3. Step 3: Cross multiply
   22,282.42x = 30,748.38 × 12,723.42
4. Step 4: Simplify right side
   22,282.42x = 391,224,553.06
5. Step 5: Solve for x
   x = 391,224,553.06/22,282.42
6. Step 6: Final answer
   x = 17,557.54