Finding the Fourth Proportional to 22,450.71, 30,983.79 and 12,381.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,450.71 : 30,983.79 = 12,381.10 : x
2. Step 2: Convert to fraction form
   22,450.71/30,983.79 = 12,381.10/x
3. Step 3: Cross multiply
   22,450.71x = 30,983.79 × 12,381.10
4. Step 4: Simplify right side
   22,450.71x = 383,613,402.37
5. Step 5: Solve for x
   x = 383,613,402.37/22,450.71
6. Step 6: Final answer
   x = 17,086.92